Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Black-Scholes Black Scholes Options Pricing Model [Member] Represents the information pertaining to Black-Scholes options pricing model, a valuation method used in the computation of fair value of service-based stock options. Binomial Binomial Lattice Model [Member] Represents the information pertaining to Binomial-lattice options pricing model, a valuation method used in the computation of fair value of market-based stock options. Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Share Repurchase Program, Current Share Repurchase Program, Current [Member] Represents details concerning the entity's current share repurchase program. Share Repurchase Programs Share Repurchase Programs [Member] Represents details concerning the entity's share repurchase programs. Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Employee and non-employee stock options Employee and Non Employee Stock Option [Member] An arrangement whereby an employee or nonemployee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Restricted Stock Restricted Stock [Member] Restricted Stock And Restricted Stock Units (RSUs) Restricted Stock And Restricted Stock Units (RSUs) [Member] Restricted Stock And Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Service-Based Vesting Based on Service [Member] Represents a share based compensation award with vesting based on length of service. Market-Based Vesting Based on Stock Price [Member] Represents a share based compensation award with vesting based on the stock price. Market-Based, ordinary performance Vesting Based on Stock Price Ordinary Performance [Member] Represents a share based compensation award with vesting based on the increase in the entity's stock price and classified as ordinary performance. Market-Based, extraordinary performance Vesting Based on Stock Price Extraordinary Performance [Member] Represents a share based compensation award with vesting based on the increase in the entity's stock price and classified as extraordinary performance. Performance-Based Performance-Based [Member] Represents a share based compensation award with vesting based upon the achievement of certain business unit specific financial measures. Performance-Based, Vesting Period One Performance-Based, Tranche One [Member] Represents a share based compensation award with vesting based upon the achievement of certain business unit specific financial measures, Tranche One. Performance-Based, Vesting Period Two Performance-Based, Tranche Two [Member] Represents a share based compensation award with vesting based upon the achievement of certain business unit specific financial measures, Tranche Two. Performance-Based, Vesting Period Three Performance-Based, Tranche Three [Member] Performance-Based, Tranche Three [Member] Performance-Based, Vesting Period Four Performance-Based, Tranche Four [Member] Performance-Based, Tranche Four [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Equity And Share-Based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share Repurchase Program Treasury Stock [Abstract] Number of shares of common stock authorized to be purchased (in shares) Stock Repurchase Program, Number of Shares Authorized to be Repurchased Percentage of outstanding shares authorized to be repurchased Stock Repurchase Program Percentage of Outstanding Shares Authorized to be Repurchased Represents the percentage of outstanding shares authorized to be repurchased under the stock repurchase plan. Minimum purchase price authorized (in usd per share) Stock Repurchase Program Minimum Cost Per Share Authorized for Repurchase The minimum cost per share authorized by the entity's board of directors for shares to be repurchased under the stock repurchase plan. Maximum purchase price authorized (in usd per share) Stock Repurchase Program Maximum Cost Per Share Authorized For Repurchase The maximum cost per share authorized by an entity's Board of Directors for shares to be repurchased under a stock repurchase plan. Period that shares may be repurchased, from the date of approval Stock Repurchase Program, Period in Force Remaining number of shares available for repurchase under the plan (in shares) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Number of shares of common stock purchased (in shares) Treasury Stock, Shares, Acquired Average purchase price per share (in usd per share) Treasury Stock Acquired, Average Cost Per Share Authorized amount (in dollars) Stock Repurchase Program, Authorized Amount Capacity available to repurchase common stock under senior secured term loan (in dollars) Stock Repurchase Program Repurchase Capacity Amount Amount of capacity under debt agreement to repurchase common stock as of the balance sheet date. Share-Based Compensation Share-based Compensation [Abstract] Share-based compensation expense Share-based Compensation Estimated unrecognized compensation costs (in dollars) Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Weighted average remaining requisite service period for stock options over which unrecognized compensation costs would be recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Share-based compensation arrangement by share-based payment award, award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Expiration term Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of components of an award Share Based Compensation Arrangement by Share Based Payment Award Number of Components of Award Represents the number of components of vesting of an award. Percentage of compounded annual gain of stock price over exercise price required for the award to vest Share Based Compensation Arrangement by Share Based Payment Award Percentage of Compounded Annual Gain of Stock Price over Exercise Price Required for Award to Vest Represents the percentage of compounded annual gain of stock price over exercise price required for the award to vest. Allowable performance period before expiration date Share-based Compensation Arrangement By Share-based Payment Award, Allowable Performance Period Before Expiration Date Share-based Compensation Arrangement By Share-based Payment Award, Allowable Performance Period Before Expiration Date Share-based compensation arrangement by share-based payment award, award vesting rights, percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Attainment above threshold performance levels, vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Options, Attainment Exceeds Target, Vesting, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Options, Attainment Exceeds Target, Vesting, Percentage Stock options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Increase in outstanding options, due to level of achievement (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Number of Shares, Period Increase (Decrease) Weighted average exercise price of stock options granted (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based compensation arrangement by share-based payment award, alternate award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Alternate Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Alternate Award Vesting Period Restricted shares and restricted share units outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Restricted share units granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Restricted share units granted, weighted average grant date fair value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Grants in Period, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested non-option equity-based awards issued during the period. Assumptions used to determine the fair value of options as of the grant date Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Risk-free interest rate (%) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected stock price volatility (%) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected option life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Fair value Share Price Weighted average fair value of stock options granted and total intrinsic value of stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted average grant date fair value of stock options granted per share (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Grant date fair value of stock options that vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Discontinued Operations and Disposal Groups [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Buy-Renovate-Lease-Sell Business Buy-Renovate-Lease-Sell Business [Member] Buy-Renovate-Lease-Sell Business [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Real Estate Market Real Estate Market [Member] Represents information pertaining to the Real Estate Market operating segment. Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Term B Loans Term B Loans [Member] Represents information pertaining to the term B loans associated with the credit agreement entered into on April 3, 2018. Debt Instrument [Line Items] Debt Instrument [Line Items] Repayment of debt Repayments of Long-term Debt Organization, Consolidation and Presentation of Financial Statements [Abstract] ORGANIZATION AND BASIS OF PRESENTATION Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Income Statement [Abstract] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Cost of revenue Cost of Goods and Services Sold Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative expenses Selling, General and Administrative Expense Restructuring charges (Note 21) Restructuring Charges Income from operations Operating Income (Loss) Other income (expense), net: Other Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Unrealized gain (loss) on investment in equity securities (Note 4) Equity Securities, FV-NI, Unrealized Gain (Loss) Other income (expense), net Other Nonoperating Income (Expense) Total other income (expense), net Nonoperating Income (Expense) Loss before income taxes and non-controlling interests Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax benefit Income Tax Expense (Benefit) Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Net loss attributable to Altisource Net Income (Loss) Available to Common Stockholders, Basic Loss per share: Earnings Per Share [Abstract] Basic (in usd per share) Earnings Per Share, Basic Diluted (in usd per share) Earnings Per Share, Diluted Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Comprehensive loss: Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Reclassification of unrealized gain on investment in equity securities, net of income tax provision of $200, to retained earnings from the cumulative effect of an accounting change Other Comprehensive Income (Loss), Reclassification Of Gain On Investment In Equity Securities, Net Of Tax, To Retained Earnings From The Effect Of An Accounting Change Reclassification of gain on investment in equity securities, net of income tax provision, to retained earnings from the effect of an accounting change Comprehensive loss, net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to Altisource Comprehensive Income (Loss), Net of Tax, Attributable to Parent Other Liabilities Disclosure [Abstract] OTHER NON-CURRENT LIABILITIES Other Liabilities Noncurrent [Text Block] Represents the disclosure pertaining to other non current liabilities. Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Security deposits Deposits Assets, Noncurrent Restricted cash Restricted Cash and Cash Equivalents, Noncurrent Other Other Assets, Miscellaneous, Noncurrent Total Other Assets, Noncurrent Income tax provision on unrealized gain on investment in equity securities Other Comprehensive Income (Loss), Reclassification of Gain on Investment in Equity Securities, Net of Tax, to Retained Earnings from the Effect of an Accounting Change, Tax Other Comprehensive Income (Loss), Reclassification of Gain on Investment in Equity Securities, Net of Tax, to Retained Earnings from the Effect of an Accounting Change, Tax EARNINGS PER SHARE Earnings Per Share [Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common stock Common Stock [Member] Additional paid-in capital Additional Paid-in Capital [Member] Retained earnings Retained Earnings [Member] Accumulated other comprehensive income (loss) Comprehensive Income [Member] Treasury stock, at cost Treasury Stock [Member] Non-controlling interests Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Shares, Issued Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Net (loss) income Distributions to non-controlling interest holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Share-based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Cumulative effect of accounting changes Cumulative Effect of New Accounting Principle in Period of Adoption Exercise of stock options and issuance of restricted shares Stock Issued During Period, Value, Stock Options Exercised and Restricted Shares Issued Value of stock issued as a result of the exercise of stock options and issuance of restricted shares. Treasury shares withheld for the payment of tax on restricted share unit and restricted share issuances and stock option exercises Adjustments Related to Tax Withholding for Share-based Compensation Repurchase of shares Treasury Stock, Value, Acquired, Cost Method Balance (in shares) Balance Payables and Accruals [Abstract] Accounts payable Accounts Payable, Current Accrued expenses - general Accrued Liabilities, Current Accrued salaries and benefits Employee-related Liabilities, Current Income taxes payable Accrued Income Taxes, Current Total Accounts Payable and Accrued Liabilities, Current Fair Value Disclosures [Abstract] Fair value measurements, recurring and nonrecurring Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Investment in equity securities Equity Securities, FV-NI Accounts receivable, net Accounts Receivable, Net, Current Short-term investments in real estate Real Estate Held-for-sale Assets held for sale (Note 3) Disposal Group, Including Discontinued Operation, Assets, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Premises and equipment, net (Notes 1 and 8) Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net Finite-Lived Intangible Assets, Net Deferred tax assets, net Deferred Tax Assets, Net of Valuation Allowance Other assets Total assets Assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable and accrued expenses Current portion of long-term debt Long-term Debt, Current Maturities Deferred revenue Contract with Customer, Liability, Current Liabilities held for sale (Note 3) Disposal Group, Including Discontinued Operation, Liabilities, Current Other current liabilities (Notes 1 and 11) Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, less current portion Long-term Debt, Excluding Current Maturities Other non-current liabilities (Notes 1 and 13) Other Liabilities, Noncurrent Commitments, contingencies and regulatory matters (Note 22) Commitments Contingencies and Regulatory Matters Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur. In addition, indicates that, in connection with being subject to regulation and oversight by governmental authorities, the entity is exposed to potential losses arising from possible claims against the company's resources. Equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common stock ($1.00 par value; 100,000 shares authorized, 25,413 issued and 16,309 outstanding as of March 31, 2019; 16,276 outstanding as of December 31, 2018) Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Treasury stock, at cost (9,104 shares as of March 31, 2019 and 9,137 shares as of December 31, 2018) Treasury Stock, Value Altisource equity Stockholders' Equity Attributable to Parent Non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Total liabilities and equity Liabilities and Equity Maintenance agreements, current portion Prepaid Maintenance, Current Represents the current portion of the carrying amount, as of the balance sheet date, of costs paid in advance under maintenance agreements; such amounts will be charged against earnings within one year or the normal operating cycle, if longer. Income taxes receivable Income Taxes Receivable, Current Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Total Property, Plant and Equipment [Abstract] PREMISES AND EQUIPMENT, NET Property, Plant and Equipment Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] 2019 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2020 Lessee, Operating Lease, Liability, Payments, Due Year Two 2021 Lessee, Operating Lease, Liability, Payments, Due Year Three 2022 Lessee, Operating Lease, Liability, Payments, Due Year Four 2023 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Present value of lease liabilities Operating Lease, Liability, After Effect Of Adoption Adjustment Operating Lease, Liability, After Effect Of Adoption Adjustment Schedule of premises and equipment, net Property, Plant and Equipment [Table Text Block] Schedule of premises and equipment, net by country Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Revenue from Contract with Customer [Abstract] REVENUE Revenue from Contract with Customer [Text Block] DISCONTINUATION OF THE BUY-RENOVATE-LEASE-SELL BUSINESS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Cost of Revenue [Abstract] Schedule of components of cost of revenue Schedule of Cost of Revenue [Table Text Block] Tabular disclosure of the components of cost of revenue. Other Income and Expenses [Abstract] Schedule of other income (expense), net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Schedule of revenue Schedule of revenue [Table Text Block] [Table Text Block] for Schedule of Revenue [Table] Disaggregation of revenue Disaggregation of Revenue [Table Text Block] SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION Shareholders' Equity and Share-based Payments [Text Block] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Financial Services Business Financial Services Business [Member] Financial Services Business [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Accounts receivable, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Prepaid expenses and other current assets Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current Premises and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Current Intangible assets, net Disposal Group, Including Discontinued Operation, Intangible Assets, Current Other assets Disposal Group, Including Discontinued Operation, Other Assets, Current Total assets held for sale Accounts payable and accrued expenses Disposal Group, Including Discontinued Operation, Accounts Payable and Accrued Liabilities, Current Other current liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Current Other non-current liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent Total liabilities held for sale Debt Disclosure [Abstract] LONG-TERM DEBT Debt Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] GOODWILL AND INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Receivables [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Billing Status, Type [Axis] Billing Status, Type [Axis] Receivables Billing Status [Domain] Receivables Billing Status [Domain] Billed Billed Revenues [Member] Unbilled Unbilled Revenues [Member] Accounts receivable, net Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts receivable, gross Accounts Receivable, Gross, Current Less: Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Total Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Treasury stock, shares (in shares) Treasury Stock, Shares Summary of changes in goodwill Schedule of Goodwill [Table Text Block] Schedule of intangible assets, net Schedule of Finite-Lived Intangible Assets [Table Text Block] Other current liabilities Other Liabilities, Current [Abstract] Unfunded cash account balances Bank Overdrafts Lease obligation liabilities Operating Lease, Liability, Current Other Other Sundry Liabilities, Current Total Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Weighted Average Weighted Average [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer related intangible assets Customer-Related Intangible Assets [Member] Operating agreement Operating Agreement [Member] Represents information pertaining to the operating agreement of the entity. Trademarks and trade names Trademarks and Trade Names [Member] Non-compete agreements Noncompete Agreements [Member] Intellectual property Intellectual Property [Member] Other intangible assets Other Intangible Assets [Member] Intangible Assets, Net Finite-Lived Intangible Assets [Line Items] Weighted average estimated useful life (in years) Finite-Lived Intangible Asset, Useful Life Gross carrying amount Finite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Net book value Amortization expense for definite lived intangible assets Amortization of Intangible Assets 2019 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Five Risks and Uncertainties [Abstract] Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Ocwen Ocwen Financial Corporation [Member] Represents information pertaining to Ocwen Financial Corporation and its subsidiaries. Highly Correlated - Ocwen Highly Correlated - Ocwen [Member] Portfolios serviced by Ocwen when a party other than Ocwen or NRZ selects Altisource as the service provider. NRZ NRZ [Member] NRZ [Member] Highly Correlated - NRZ Highly Correlated - NRZ [Member] Portfolios serviced by NRZ when a party other than NRZ selects Altisource as the service provider. Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue Sales Revenue, Segment [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] REALServicing REALServicing [Member] REALServicing [Member] Type of revenue [Axis] Type of revenue [Axis] Type of revenue [Axis] Service Revenue ASPS [Domain] Service Revenue ASPS [Domain] Service Revenue ASPS Service revenue Sales Revenue, Services, Net [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Concentration Risk Concentration Risk [Line Items] Percentage of revenue from largest customer Concentration Risk, Percentage Accounts receivable Accounts Receivable, Net Percentage of loans serviced and subserviced by largest customer's largest client Concentration Risk, Percentage Of Loans Serviced And Subserviced By Largest Customer's Largest Client Concentration Risk, Percentage Of Loans Serviced And Subserviced By Largest Customer's Largest Client Subservice transferred subject MSRs, initial term Subservice Transferred Subject Mortgage Servicing Rights (MSR), Initial Term Subservice Transferred Subject Mortgage Servicing Rights (MSR), Initial Term Schedule of revenue [Table] Schedule of revenue [Table] Schedule of Revenue [Table] Reimbursable expenses Reimbursable Expenses [Member] Reimbursable Expenses [Member] Non-controlling interests Non-controlling Interest Revenue [Member] Non-controlling Interest Revenue [Member] Schedule of revenue [Line Items] Schedule of revenue [Line Items] [Line Items] for Schedule of Revenue [Table] Revenue Revenue recognized that was included in contract liability at the beginning of the period Contract with Customer, Liability, Revenue Recognized Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Revenue recognized when services are performed or assets are sold Transferred at Point in Time [Member] Revenue related to technology platforms and professional services Revenue Related to Technology Platforms and Professional Services [Member] Revenue related to technology platforms and professional services Reimbursable expenses revenue Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Investments, Debt and Equity Securities [Abstract] Marketable Securities [Table] Marketable Securities [Table] Marketable Securities [Line Items] Marketable Securities [Line Items] Number of investment shares acquired (in shares) Available-For-Sale Securities, Number Of Shares Acquired Available-For-Sale Securities, Number Of Shares Acquired Unrealized gain (loss) from change in fair value Investment income, dividend Investment Income, Dividend Investment shares, transfer restrictions, percent (no more than) Available-for-sale Securities, Transfer Restrictions, Percent The percent of available-for-sale securities owned that were previously subject to a lock-up period with respect to the sale or transfer of the shares of common stock that may be transferred. Maximum allowable increase, percent Increase In Shares that may be Sold in Subsequent Quarters The maximum percent increase in the unsold permitted amount in future quarters. COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS Commitments and Contingencies Disclosure [Text Block] OTHER INCOME (EXPENSE), NET Other Income and Other Expense Disclosure [Text Block] Compensation and benefits Cost, Direct Labor Outside fees and services Fees Paid for Provision of Services Represents the fees paid to external providers for provision of services. Cost of real estate sold Cost, Real Estate Sales Cost, Real Estate Sales Technology and telecommunications Communications and Information Technology Reimbursable expenses Cost, Reimbursable Expenses Cost, Reimbursable Expenses Depreciation and amortization Cost, Depreciation and Amortization Cost of revenue ACCOUNTS RECEIVABLE, NET Financing Receivables [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net loss Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Amortization of intangible assets Unrealized (gain) loss on investment in equity securities Unrealized Gain (Loss) on Investments Bad debt expense Provision for Doubtful Accounts Amortization of debt discount Amortization of Debt Discount (Premium) Amortization of debt issuance costs Amortization of Debt Issuance Costs Deferred income taxes Deferred Income Tax Expense (Benefit), Cash Flow Impact The amount of the current period cash flow impact of deferred income taxes. Loss on disposal of fixed assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Changes in operating assets and liabilities (excludes assets and liabilities held for sale, see Note 3): Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Short-term investments in real estate Increase (Decrease) In Short-Term Investments, Real Estate Increase (Decrease) In Short-Term Investments, Real Estate Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other assets Increase (Decrease) in Other Operating Assets Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Other current and non-current liabilities Increase (Decrease) in Other Operating Liabilities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Additions to premises and equipment Payments to Acquire Property, Plant, and Equipment Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Repayments and repurchases of long-term debt Debt issuance costs Payments of Debt Issuance Costs Proceeds from stock option exercises Proceeds from Stock Options Exercised Purchase of treasury shares Payments for Repurchase of Common Stock Distributions to non-controlling interests Payments to Noncontrolling Interests Payments of tax withholding on issuance of restricted share units and restricted shares Payments Related to Tax Withholding for Share-based Compensation Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Net decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, cash equivalents and restricted cash at the beginning of the period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at the end of the period Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Income taxes paid, net Income Taxes Paid, Net Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Increase in payables for purchases of premises and equipment Change in Accounts Payable for Purchase of Premises and Equipment The increase or decrease in accounts payable related to the purchase of premises and equipment. Acquisition of right-to-use assets with lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Company [Axis] Company [Axis] Company Company [Domain] Company [Domain] [Domain] for Company RESI Altisource Residential Corporation [Member] Represents information pertaining to Altisource Residential Corporation, a separate publicly-traded company that resulted from the spin-off. Rental Property Management Business Rental Property Management Business [Member] Rental Property Management Business [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Investment in equity securities, number of shares Available-for-Sale Securities, Number of Shares Available-for-Sale Securities, Number of Shares Future proceeds from the sale of business, second installment Future Proceeds from Divestiture of Business The future cash inflow associated with the amount to be received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Prior senior secured term loan Senior Secured Term Loan [Member] Represents information pertaining to the senior secured term loan. Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Assets, Fair Value Disclosure Assets, Fair Value Disclosure [Abstract] Investment in equity securities Available-for-sale Securities, Equity Securities, Current Investment in equity securities Long-term receivable Notes, Loans and Financing Receivable, Gross, Noncurrent Liabilities, Fair Value Disclosure Liabilities, Fair Value Disclosure [Abstract] Long-term debt, carrying amount Long-term Debt, Gross Long-term debt, fair value Long-term Debt, Fair Value Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Computer hardware and software Computer Equipment [Member] Office equipment and other Office Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Leasehold improvements Leasehold Improvements [Member] Excluding Right-to-use Assets Excluding Assets Leased To Others [Member] Excluding Assets Leased To Others [Member] Right-to-use Assets Assets Leased to Others [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Premises and equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total premises and equipment, net Depreciation and amortization expense Schedule of other non-current liabilities Other Noncurrent Liabilities [Table Text Block] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast Scenario, Forecast [Member] Total proceeds from the sale of business Disposal Group, Including Discontinued Operation, Consideration Proceeds from the sale of business, first installment Proceeds from Divestiture of Businesses Long-term receivable (discounted value) Up-front payment included in consideration, subject to working capital adjustment upon closing of the sale Disposal Group, Including Discontinued Operation, Up-Front Payment Included in Consideration Disposal Group, Including Discontinued Operation, Up-Front Payment Included in Consideration Additional payment to be received on one-year anniversary of the sale closing Disposal Group, Including Discontinued Operation, Additional Consideration To Be Received, If Circumstances Met Disposal Group, Including Discontinued Operation, Additional Consideration To Be Received, If Circumstances Met Estimated pretax gain from sale (more than) Gain (Loss) on Disposition of Business Basis of Accounting and Presentation Basis of Accounting, Policy [Policy Text Block] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Recently Adopted and Future Adoption of New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] COST OF REVENUE Cost of Revenue [Text Block] The entire disclosure of cost of goods produced and sold and services rendered. INVESTMENT IN EQUITY SECURITIES Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] RSU [Abstract] RSU [Abstract] Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Table] Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Table] Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Table] Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items] Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Line Items] [Line Items] for Schedule of Share-based compensation, Restricted Stock and Restricted Stock units activity [Table] Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Outstanding at the beginning of period (in shares) Granted (in shares) Issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Other Forfeited/canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations Outstanding at the end of period (in shares) Number of options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at the beginning of the period (in shares) Performance criteria achieved (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Performance Criteria Achieved In Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Performance Criteria Achieved In Period, Gross Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Outstanding at the end of the period (in shares) Exercisable at the end of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted average exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at the beginning of the period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Performance criteria achieved (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Performance Criteria Achieved In Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Performance Criteria Achieved In Period, Weighted Average Exercise Price Exercised (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding at the end of the period (in usd per share) Exercisable at the end of the period (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted average contractual term (in years) Share Based Compensation Arrangement by Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Weighted average contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable at the end of the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate intrinsic value (in thousands) Share Based Compensation Arrangement by Share Based Payment Award Options Intrinsic Value [Abstract] Aggregate intrinsic value, beginning balance (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value, ending balance (in dollars) Exercisable at the end of the period (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value PREPAID EXPENSES AND OTHER CURRENT ASSETS Other Current Assets [Text Block] Disclosure of assets and liabilities held-for-sale Disclosure of Long Lived Assets Held-for-sale [Table Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] April 3, 2018 Credit Agreement April 3, 2018 Credit Agreement [Member] April 3, 2018 Credit Agreement Term B loans Line of Credit Line of Credit [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Adjusted Eurodollar Rate Debt Instrument Variable Rate Adjusted Eurodollar Rate [Member] Represents the adjusted Eurodollar rate that is used to calculate the variable interest rate of the debt instrument. Base Rate Base Rate [Member] Senior secured term loans Less: Debt issuance costs, net Debt Issuance Costs, Net Less: Unamortized discount, net Debt Instrument, Unamortized Discount Net long-term debt Long-term Debt Less: Current portion Debt instrument, face amount Debt Instrument, Face Amount Write-off of unamortized debt issuance costs and debt discount Write-off of Net Discount and Debt Issuance Costs Write-off of net discount and debt issuance costs in an extinguishment of debt. Aggregate amount of each consecutive quarterly scheduled principal installment Debt Instrument Repayment Amount of Quarterly Scheduled Principal Installment Represents the aggregate amount of each quarterly scheduled principal installment of the loan. Leverage ratio to avoid mandatory prepayments under the Credit Agreement (maximum) Maximum Debt Instrument Covenant Leverage Ratio to Avoid Mandatory Prepayments The maximum leverage ratio required to be maintained to avoid mandatory prepayments under the credit facility covenants. Leverage ratio at which mandatory prepayments increase under the Credit Agreement (exceeds) Debt Instrument Covenant Leverage Ratio at Which Mandatory Prepayments Increase The maximum leverage ratio at which mandatory prepayments increase under the credit facility covenants. Debt instrument accordion feature, potential increase in additional borrowings Debt Instrument Accordion Feature, Potential Increase in Additional Borrowings Represents the potential increase in additional borrowings on existing and new debt instruments under accordion feature. Debt instrument fixed base rate Debt Instrument Fixed Base Rate Represents the fixed rate used in the calculation of the base interest rate of the debt instrument. Interest rate margin (as a percent) Debt Instrument, Basis Spread on Variable Rate Interest rate at the end of the period (as a percent) Debt Instrument, Interest Rate, Effective Percentage Unused commitment fee (as a percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Amount of principal or interest if failed to pay considered as event of default Debt Instrument Amount of Principal or Interest if Failed to Pay Considered as Event of Default Represents the amount of principal or interest, if failed to pay, is considered as event of default under the credit agreement. Amount of debt which results in acceleration of debt if failed to pay considered as event of default Debt Instrument Amount of Debt which Results Acceleration of Debt if Failed to Pay Considered as Event of Default Represents the amount of debt which results in acceleration of debt, if failed to pay, is considered as event of default under the credit agreement. Amount of unbonded, undischarged or unstayed debt under entry by court of one or more judgments for certain period to determine as event of default Debt Instrument Amount of Unbonded undischarged or Unstayed Debt under Entry by Court of One or More Judgments for Certain Period to Determine Event of Default Represents the amount unbonded, undischarged or unstayed debt under entry by a court of one or more judgments for certain period to determine the event of default as per the credit agreement. Debt issuance costs, net Accumulated amortization Accumulated Amortization, Debt Issuance Costs CUSTOMER CONCENTRATION Concentration Risk Disclosure [Text Block] Restructuring Charges [Abstract] RESTRUCTURING CHARGES Restructuring and Related Activities Disclosure [Text Block] OTHER ASSETS Other Assets Disclosure [Text Block] Schedule of accounts receivable, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of prepaid expenses and other current assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Document and Entity Information Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Smaller Reporting Company Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Entity Treasury Stock (in shares) Entity Treasury Stocks Entity Treasury Stocks Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Schedule of basic and diluted EPS calculation Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Interest income Interest Income, Other Other, net Other Nonoperating Income (Expense) Other The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Amounts exclude: (a) equity loss in affiliate, (b) interest expense, (c) interest income, and (d) change in fair value of put options. Total Schedule of accounts payable and accrued expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of other current liabilities Schedule of Accrued Liabilities [Table Text Block] Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of other assets Schedule of Other Assets, Noncurrent [Table Text Block] Selling, General and Administrative Expense [Abstract] SELLING, GENERAL AND ADMINISTRATIVE EXPENSES AND OTHER OPERATING EXPENSES Selling, General and Administrative Expenses Disclosure [Text Block] The entire disclosure of costs related to selling products and services, as well as all other general and administrative expenses. Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Right-to-use assets Operating Lease, Right-of-Use Asset Lease obligation liabilities Operating Lease, Liability Sublease income Sublease Income Lease term Lessee, Operating Lease, Term of Contract ACCOUNTS PAYABLE, ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Net loss attributable to Altisource Weighted average common shares outstanding, basic (in shares) Weighted average common shares outstanding, diluted (in shares) Loss per share: Earnings Per Share, Basic and Diluted [Abstract] Anti-Dilutive Securities Antidilutive Securities Excluded from Computation of Earning Per Share [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities [Domain] Antidilutive Securities, Name [Domain] Employee and non-employee stock options Options, restricted shares and restricted share units issuable upon achievement of market and performance criteria Options and Restricted Shares Issuable upon Achievement of Certain Market and Performance Criteria [Member] Represents information pertaining to the options and restricted shares issuable upon the achievement of certain market and performance criteria related to common stock price. Options issuable upon achievement of certain market and performance criteria Options Issuable Upon Achievement Of Certain Market And Performance Criteria [Member] Options Issuable Upon Achievement Of Certain Market And Performance Criteria [Member] Anti-dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Options, restricted shares and restricted share units excluded from the computation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Compensation and benefits Labor and Related Expense Occupancy related costs Occupancy, Net Marketing costs Marketing Expense Professional services Professional Fees Depreciation and amortization Selling, General and Administrative Expense, Depreciation and Amortization Represents the depreciation and amortization of non-operating assets directly related to selling, general and administrative expense during the reporting period. Other Other Selling, General and Administrative Expense Total Summary of Significant Accounting Policies [Table] Summary of Significant Accounting Policies [Table] Information related to various accounting policies of the entity. Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Lenders One Lenders One [Member] Lenders One Summary of significant accounting policies Summary of Significant Accounting Policies [Line Items] Number of reporting segments Number of Reportable Segments Total assets Variable Interest Entity, Consolidated, Carrying Amount, Assets Total liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Lease obligation liabilities, other current Lease obligation liabilities, other noncurrent Operating Lease, Liability, Noncurrent Reduction accrued rent and lease incentives, effect of adopting accounting standard Reduction Accrued Rent And Lease Incentives, Effect Of Adopting Accounting Standard Reduction Accrued Rent And Lease Incentives, Effect Of Adopting Accounting Standard Loss related to sales tax exposure Loss Contingency, Loss in Period Escrow and Trust Balances Deposit Assets and Trust Account [Abstract] Amounts held in escrow and trust accounts Escrow Deposit and Trust Account Amounts held in escrow and trust accounts at various financial institutions. Schedule of the components of selling, general and administrative expenses Schedule of Selling, General and Administrative Expense [Table Text Block] Tabular disclosure of the components of costs related to selling products or services, as well as all other general and administrative expenses. Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning Balance Reclassification to net assets held for sale (Note 3) Goodwill, Reclassification, Net Assets Held-For-Sale Goodwill, Reclassification, Net Assets Held-For-Sale Ending Balance SALE OF BUSINESS AND ASSETS AND LIABILITIES HELD FOR SALE Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring charges Restructuring and related cost, expected future cost (approximate) Restructuring and Related Cost, Expected Cost Remaining Schedule of long-term debt Schedule of Long-term Debt Instruments [Table Text Block] Schedule of assumptions used to determine the fair value of options as of the grant date Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of the weighted average fair value of stock options granted, the total intrinsic value of stock options exercised and the fair value of options vested Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] Summary of the activity of the entity's stock options Share-based Compensation, Stock Options, Activity [Table Text Block] Restricted stock and restricted stock units activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Lease obligation liabilities Income tax liabilities Liability for Uncertainty in Income Taxes, Noncurrent Deferred revenue Contract with Customer, Liability Other non-current liabilities Other Sundry Liabilities, Noncurrent Total Lease term and assumption Lessee, Operating Lease, Terms And Assumptions [Table Text Block] Lessee, Operating Lease, Terms And Assumptions [Table Text Block] Lease activity during period Lease, Cost [Table Text Block] Maturities of operating lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES India INDIA Luxembourg LUXEMBOURG Philippines PHILIPPINES Other URUGUAY Total Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, general and administrative expense Selling, General and Administrative Expenses [Member] Cost of revenue Cost of Sales [Member] Operating lease costs Operating Lease, Cost Cash used in operating activities for amounts included in the measurement of lease liabilities Operating Lease, Payments Short-term (less than one year) lease costs Short-term Lease, Cost