Organization, Consolidation and Presentation of Financial Statements [Abstract] ORGANIZATION Business Description and Basis of Presentation [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Contingent earnout Earnout Payment for One Contingent Earnout [Member] Earnout Payment for One Contingent Earnout [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] Technology Technology-Based Intangible Assets [Member] Website content Media Content [Member] Customer lists Customer Lists [Member] Trademarks and tradenames Trademarks and Trade Names [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Student Loan Hero Student Loan Hero [Member] Student Loan Hero [Member] Ovation Ovation [Member] Ovation Credit Services CompareCards CompareCards [Member] CompareCards [Member] DepositAccounts DepositAccounts [Member] DepositAccounts [Member] SnapCap SnapCap [Member] SnapCap Cash Flow Statement Location [Axis] Cash Flow Statement Location [Axis] Cash Flow Statement Location [Axis] Cash Flow Statement Location [Domain] Cash Flow Statement Location [Domain] [Domain] for Cash Flow Statement Location [Axis] Cash Flows from Financing Activities Cash Flows From Financing Activities [Member] Cash Flows From Financing Activities [Member] Cash Flows from Operating Activities Cash Flows From Operating Activities [Member] Cash Flows From Operating Activities [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Consideration Transferred Business Combination, Consideration Transferred [Abstract] Net working capital Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Working Capital Amount recognized as of the acquisition date for the identifiable current assets acquired in excess of (less than) the aggregate current liabilities assumed. Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Goodwill Goodwill Net deferred tax liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Fixed assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Total preliminary purchase price Business Combination, Consideration Transferred Fair Value of Intangible Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Preliminary Fair Value Finite-lived Intangible Assets Acquired Weighted Average Amortization Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Initial cash consideration to acquire business Payments to Acquire Businesses, Gross Contingent consideration Business Combination, Contingent Consideration, Liability Severance expense Severance Costs Estimated increase to working capital Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital Number of reportable segments Number of Reportable Segments Acquisition related costs Business Combination, Acquisition Related Costs Number of payments Business Combination, Number Of Payments Business Combination, Number Of Payments Contingent consideration range, minimum Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, Low Contingent consideration range, maximum Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Change in fair value of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Discontinued Operations and Disposal Groups [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Group Name [Domain] Lending Tree Loans Lending Tree Loans [Member] Represents the information pertaining to LendingTree Loans. Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Discover Discover Bank [Member] Represents Discover Bank, a wholly owned subsidiary of Discover Financial Services. DISCONTINUED OPERATIONS Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Asset purchase agreement proceeds from sale Asset Purchase Agreement Proceeds From Sale Represents the proceeds for sale of the assets under the purchase agreement entered into by the reporting entity. Settlement value of indemnification claim and other miscellaneous items Loss Contingency, Settlement Value Represents the amount of payment made by the entity towards the settlement with the buyers of previously purchased loans. Revenue and net income (loss) of discontinued operations Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Revenue Disposal Group, Including Discontinued Operation, Revenue Loss before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Income tax benefit Discontinued Operation, Tax Effect of Discontinued Operation Loss from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Assets and liabilities of facilities reported as discontinued operations Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] Non-current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Noncurrent Current liabilities Disposal Group, Including Discontinued Operation, Liabilities, Current Statement of Financial Position [Abstract] Accounts receivable, allowance (in dollars) Allowance for Doubtful Accounts Receivable, Current Accumulated depreciation of property and equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, authorized shares Preferred Stock, Shares Authorized Preferred stock, issued shares Preferred Stock, Shares Issued Preferred stock, outstanding shares Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, authorized shares Common Stock, Shares Authorized Common stock, issued shares Common Stock, Shares, Issued Common stock, outstanding shares Common Stock, Shares, Outstanding Treasury stock, shares Treasury Stock, Shares Subsequent Events [Abstract] SUBSEQUENT EVENT Subsequent Events [Text Block] Schedule of purchase price allocation Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Schedule of the fair value of definite lived intangible assets acquired Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Unaudited pro forma revenue and net income from continuing operations of business acquisitions Business Acquisition, Pro Forma Information [Table Text Block] Payables and Accruals [Abstract] Schedule of accrued expenses and other current liabilities Schedule of Accrued Liabilities [Table Text Block] 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] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] 50% over a period of two years from the grant date [Member] 50% over a period of two years from the grant date [Member] 50% over a period of two years from the grant date [Member] 33% over a period of three years from the grant date [Member] 33% over a period of three years from the grant date [Member] 33% over a period of three years from the grant date [Member] 25% over a period of four years from the grant date [Member] 25% over a period of four years from the grant date [Member] 25% over a period of four years from the grant date [Member] 100% over a period of one year from the grant date [Member] 100% over a period of one year from the grant date [Member] 100% over a period of one year from the grant date [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Aggregate stock options Stock Compensation Plan [Member] Employee stock options Employee Stock Option [Member] Employee stock option 2 Employee Stock Option 2 [Member] Employee Stock Option 2 [Member] Performance options Performance Options [Member] Performance Options STOCK-BASED COMPENSATION Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock options, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants 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 Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Outstanding at the end of the period (in shares) Options exercisable at the end of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Stock options, 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 dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Outstanding at the end of the period (in dollars per share) Options exercisable at the end of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Stock options, Weighted Average Remaining Contractual Term Share Based Compensation Arrangement by Share Based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] -- None. No documentation exists for this element. -- Outstanding at the end of the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options exercisable at the end of the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Stock options, Aggregate Intrinsic Value Share Based Compensation Arrangement by Share Based Payment Award, Options, Aggregate Intrinsic Value [Abstract] -- None. No documentation exists for this element. -- Outstanding at the end of the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options exercisable at the end of the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Stock options, Grant Date Fair Value Valuation Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share price Share Price Grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term, Simplified Method Expected dividend rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected volatility, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Risk-free interest rate, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free interest rate, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Expected dividends Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments Debt Disclosure [Abstract] DEBT Debt Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Income Tax Disclosure [Abstract] Schedule of income tax (expense) benefit Schedule of income tax provision benefit [Table Text Block] [Table Text Block] for Schedule of income tax provision benefit [Table] Reconciliation of income tax (expense) benefit Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Accounting Policies [Abstract] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Balances without adoption of ASC Topic 606 Calculated under Revenue Guidance in Effect before Topic 606 [Member] Adjustments due to ASC Topic 606 Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Balance Sheet Related Disclosures [Abstract] Balance Sheet Related Disclosures [Abstract] Prepaid and other current assets Prepaid Expense and Other Assets, Current Deferred income tax assets Deferred Tax Assets, Net, Noncurrent Accumulated deficit Retained Earnings (Accumulated Deficit) Income Statement Related Disclosures [Abstract] Income Statement Related Disclosures [Abstract] Revenue Revenues Income tax benefit (expense) Income Tax Expense (Benefit) Net income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Schedule of revenue and net income (loss) of the discontinued operations Schedule of Disposal Groups Including Discontinued Operations, Income Statement [Table Text Block] Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations Schedule of the number of loans sold and the original issue balance Schedule of the Number and Issue Balance of Loans Sold and Subsequent Settlements [Table Text Block] Schedule of the Number and Issue Balance of Loans Sold and Subsequent Settlements [Table Text Block] Schedule of activity related to loss reserves on previously sold loans Schedule of Activity in Loss Reserves on Loans Sold [Table Text Block] Tabular disclosure of activity related to loss reserves on previously sold loans. Line of Credit Facility [Table] Line of Credit Facility [Table] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Federal Funds Effective Swap Rate [Member] Federal Funds Effective Swap Rate [Member] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] Base Rate [Member] Base Rate [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Swingline Facility [Member] Swingline Facility [Member] Swingline Facility [Member] Letters of Credit [Member] Letters of Credit [Member] Letters of Credit [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Revolving Credit Facility, term Debt Instrument, Term Revolving Credit Facility, conditional increase to borrowing capacity Line of Credit Facility, Conditional Increase to Borrowing Capacity Line of Credit Facility, Conditional Increase to Borrowing Capacity Ratio of Debt to EBITDA to Increase Revolving Commitment Ratio of Debt to EBITDA to Increase Revolving Commitment Ratio of Debt to EBITDA to Increase Revolving Commitment Revolving Credit Facility, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Revolving Credit Facility, collateral, percent of assets Line of Credit Facility, Collateral, Percent of Assets Line of Credit Facility, Collateral, Percent of Assets Revolving Credit Facility, collateral, percent of equity Line of Credit Facility, Collateral, Percent of Equity Line of Credit Facility, Collateral, Percent of Equity Revolving Credit Facility, unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Revolving Credit Facility, letter of credit participation fee percentage Line of Credit Facility, Letter of Credit Participation Fee Percentage Line of Credit Facility, Participation Fee Revolving Credit Facility, letter of credit fronting fee percentage Line of Credit Facility, Letter of Credit Fronting Fee Percentage Line of Credit Facility, Letter of Credit Fronting Fee Percentage Fees and expense paid to lenders at closing Debt Instrument, Fee Amount Ratio of Debt to EBITDA Ratio of Debt to EBITDA Ratio of Debt to EBITDA Ratio of Debt to EBITDA Step-Down Ratio of Debt to EBITDA Step-Down Ratio of Debt to EBITDA Step-Down Ratio of Debt to EBITDA Increase Ratio of Debt to EBITDA Increase Ratio of Debt to EBITDA Increase Line of Credit Facility, Collateral, Percent of Domestic Subsidiaries Equity Line of Credit Facility, Collateral, Percent of Domestic Subsidiaries Equity Line of Credit Facility, Collateral, Percent of Domestic Subsidiaries Equity Line of Credit Facility, Collateral, Percent of Voting Equity Line of Credit Facility, Collateral, Percent of Voting Equity Line of Credit Facility, Collateral, Percent of Voting Equity Line of Credit Facility, Collateral, Percent of Non-Voting Equity Line of Credit Facility, Collateral, Percent of Non-Voting Equity Line of Credit Facility, Collateral, Percent of Non-Voting Equity Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Convertible Notes Payable [Member] Convertible Notes Payable [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Aggregate principal amount of convertible senior notes Convertible Debt Annual interest rate on convertible senior notes Debt Instrument, Interest Rate, Effective Percentage Initial conversion rate, shares per $1,000 principal amount of notes Debt Conversion, Number of Shares of Common Stock Convertible per $1,000 of Principal Notes Debt Conversion, Number of Shares of Common Stock Convertible per $1,000 of Principal Notes Principal amount of notes convertible into shares Convertible Preferred Stock, Terms of Conversion Initial conversion price per share Debt Instrument, Convertible, Conversion Price Conversion rate, sales price of common stock as a percentage of the conversion price Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Conversion rate, sales price of common stock as a percentage of the conversion price, five business days Debt Instrument, Convertible, Threshold Percentage Of Stock Price Trigger, Five Business Days Debt Instrument, Convertible, Threshold Percentage Of Stock Price Trigger, Five Business Days Cash repurchase at a price equal to the principal amount of the notes, Percentage Debt Instrument, Redemption Price, Percentage Nonconvertible debt borrowing rate at the date of issuance Nonconvertible Debt Borrowing Rate at the Date of Issuance Nonconvertible Debt Borrowing Rate at the Date of Issuance Debt component of the principal amount of the Convertible Senior Notes Convertible Debt, Noncurrent Equity component of the principal amount of the Convertible Senior Notes Debt Instrument, Convertible, Carrying Amount of Equity Component Financing costs related to the issuance of the Convertible Senior Notes Debt Issuance Costs, Gross Debt issuance costs, liability component Debt issuance costs, liability component Debt issuance costs, liability component Debt issuance costs, equity component Debt issuance costs, equity component Debt issuance costs, equity component Total interest expense on the Convertible Senior Notes Interest Expense, Debt Interest expense recognized associated with the 0.625% coupon rate Interest Expense, Debt, Excluding Amortization Amortization of convertible debt discount Amortization of Debt Discount (Premium) Amortization of debt issuance costs Amortization of Debt Issuance Costs Long-term debt Long-term Debt, Excluding Current Maturities Fair value of the Convertible Senior Notes using a Level 1 observable input Long-term Debt, Fair Value Unamortized debt discount Debt Instrument, Unamortized Discount Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Net proceeds from the Convertible Notes used to pay for the cost of the Convertible Note Hedge Net proceeds from the Convertible Notes used to pay for the cost of the Convertible Note Hedge Net proceeds from the Convertible Notes used to pay for the cost of the Convertible Note Hedge Payment of convertible note hedge transactions Payments for Hedge, Financing Activities Number of shares covered by the hedge transactions Number of Shares Covered by the Hedge Transactions Number of Shares Covered by the Hedge Transactions Strike price of warrants sold Class of Warrant or Right, Exercise Price of Warrants or Rights Premium of warrant strike price over sales price of common stock Premium of warrant strike price over sales price of common stock Premium of warrant strike price over sales price of common stock Proceeds from the sale of warrants Proceeds from Issuance of Warrants Earnings 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, Name [Domain] Antidilutive Securities, Name [Domain] Restricted Stock [Member] Restricted Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Calculation of weighted average common shares Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted average common shares, basic Weighted Average Number of Shares Outstanding, Basic Effect of dilutive securities Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Effect of stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Effect of dilutive share awards (in shares) IncrementalCommonSharesAttributableToRestrictedStockUnits IncrementalCommonSharesAttributableToRestrictedStockUnits Effect of Convertible Senior Notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Weighted average common shares, diluted Weighted Average Number of Shares Outstanding, Diluted Common stock repurchases Disclosure of Repurchase Agreements [Abstract] Value of common stock authorized to be repurchased Stock Repurchase Program, Authorized Amount Purchase of treasury stock (in shares) Treasury Stock, Shares, Acquired Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] BUSINESS ACQUISITION Business Combination Disclosure [Text Block] Revenue from Contract with Customer [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Mortgage products Mortgage Products [Member] Mortgage Products [Member] Credit Cards Credit Cards [Member] Credit Cards [Member] Personal Loans Personal Loans [Member] Personal Loans [Member] Other Products And Services Other Products And Services [Member] Other Products And Services [Member] Non-mortgage products Non-mortgage Products [Member] Non-mortgage Products [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Contract asset Contract with Customer, Asset, Net Contract liability Contract with Customer, Liability, Current Revenue recognized from prior period Contract with Customer, Liability, Revenue Recognized Charitable Contribution Accrual Charitable Contribution Accrual Charitable Contribution Accrual Accrued expenses and other current liabilities Accrued Liabilities, Current [Abstract] Accrued advertising expense Accrued Advertising, Current Accrued compensation and benefits Employee-related Liabilities, Current Accrued professional fees Accrued Professional Fees, Current Customer deposits and escrows Customer Deposits, Current Other Other Liabilities, Current Total accrued expenses and other current liabilities Accrued Liabilities, Current 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] Accumulated Deficit Retained Earnings [Member] Treasury Stock Treasury Stock [Member] Comprehensive Income (Loss) Comprehensive Income [Member] Noncontrolling interest Noncontrolling Interest [Member] Statement Statement [Line Items] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance Stockholders' Equity Attributable to Parent Balance (in shares) Shares, Issued Net income and comprehensive income Net Income (Loss) Available to Common Stockholders, Basic Non-cash compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Purchase of treasury stock Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Cumulative effect adjustment due to ASU 2014-09 New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Issuance of 0.625% Convertible Senior Notes, net Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Balance Balance (in shares) Summary of the gross carrying amount, unamortized debt cost and net carrying value of the liability component of the Notes Convertible Debt [Table Text Block] Segment Reporting [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Schedule of non-cash compensation expense related to equity awards Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Summary of changes in outstanding stock options Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of stock option valuation assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of changes in outstanding non-vested RSUs and restricted stock Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of changes in outstanding nonvested RSUs with performance conditions Schedule of Nonvested Performance-based Units Activity [Table Text Block] Schedule of changes in outstanding stock options with market conditions Schedule of Nonvested Performance Based Stock Options [Table Text Block] Schedule of Nonvested Performance Based Stock Options [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of revenue Cost of Sales [Member] Selling and marketing expense Selling and Marketing Expense [Member] General and administrative expense General and Administrative Expense [Member] Product development Research and Development Expense [Member] Non-cash compensation expense related to equity awards Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Total non-cash compensation Allocated Share-based Compensation Expense Goodwill rollforward Schedule of Goodwill [Table Text Block] Schedule of balance of intangible assets, net Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of intangible assets with definite lives Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of amortization of intangible assets with definite lives for the next five years Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Technology Developed Technology Rights [Member] Tenant leases Leases, Acquired-in-Place [Member] Other Other Intangible Assets [Member] Intangible assets with definite lives Finite-Lived Intangible Assets [Line Items] Cost Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Total intangible assets with definite lives, net Finite-Lived Intangible Assets, Net Subsequent Event [Table] Subsequent Event [Table] QuoteWizard QuoteWizard [Member] QuoteWizard [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Increase in borrowing capacity Line Of Credit Facility, Increase Limit Line Of Credit Facility, Increase Limit Cash used to fund acquisition Business Combination, Consideration Transferred, Cash On Hand Business Combination, Consideration Transferred, Cash On Hand Proceeds from revolving credit facility used for acquisition Proceeds from Long-term Lines of Credit Commitments and Contingencies Disclosure [Abstract] CONTINGENCIES Legal Matters and Contingencies [Text Block] Cash and Cash Equivalents [Abstract] RESTRICTED CASH Restricted Assets Disclosure [Text Block] Statement of Cash Flows [Abstract] MagnifyMoney MagnifyMoney [Member] MagnifyMoney [Member] Statement [Line Items] Cash flows from operating activities attributable to continuing operations: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income and comprehensive income Less: Loss from discontinued operations, net of tax Adjustments to reconcile income from continuing operations to net cash provided by operating activities attributable to continuing operations: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Loss on impairments and disposal of assets Gain (Loss) on Disposition of Property Plant Equipment Amortization of intangibles Amortization of Intangible Assets Depreciation Depreciation, Depletion and Amortization Rental amortization of intangibles and depreciation Other Depreciation and Amortization Non-cash compensation expense Share-based Compensation Deferred income taxes Deferred Income Tax Noncash Expense (Benefit) The noncash component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. Bad debt expense Provision for Doubtful Accounts Changes in current assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Prepaid and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable, accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Other Current Liabilities This element represent increase or decrease in accounts payable and other current liabilities Current contingent consideration Contingent Consideration Payment Contingent Consideration Payment Income taxes receivable Increase (Decrease) in Income Taxes Payable Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities attributable to continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Cash flows from investing activities attributable to continuing operations: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Capital expenditures Payments to Acquire Productive Assets Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Acquisition of businesses Other investing activities Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities attributable to continuing operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations Cash flows from financing activities attributable to continuing operations: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Proceeds from exercise of stock options, net of payments related to net-share settlement of stock-based compensation Proceeds from Stock Options Exercised Contingent consideration payments Payment for Contingent Consideration Liability, Financing Activities Proceeds from the issuance of 0.625% Convertible Senior Notes Proceeds from Convertible Debt Payment of convertible note hedge transactions Payment of debt issuance costs Payments of Debt Issuance Costs Purchase of treasury stock Payments for Repurchase of Common Stock Net cash (used in) provided by financing activities attributable to continuing operations Net Cash Provided by (Used in) Financing Activities, Continuing Operations Total cash (used in) provided by continuing operations Net Cash Provided by (Used in) Continuing Operations Net cash used in operating activities attributable to discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Total cash used in discontinued operations Net Cash Provided by (Used in) Discontinued Operations Net (decrease) increase in cash, cash equivalents, restricted cash and restricted cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period Fair Value Disclosures [Abstract] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment Information Segment Reporting Information [Line Items] Document and Entity Information -- None. No documentation exists for this element. -- Entities [Table] Entities [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Entity Information: Entity Information [Line Items] 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 Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table Text Block] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Chairman And Chief Executive Officer [Member] Chairman And Chief Executive Officer [Member] Chairman And Chief Executive Officer [Member] Performance Shares Performance Shares [Member] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Time-Vested Performance Shares Time-Vested Performance Shares [Member] Time-Vested Performance Shares [Member] Target grant date value of performance based equity compensation Target Grant Date Value of Performance Based Equity Compensation Target Grant Date Value of Performance Based Equity Compensation Percentage, Target grant date value of performance based equity compensation, Restricted stock awards Percentage, Target Grant Date Value of Performance Based Equity Compensation, Restricted Stock Awards Percentage, Target Grant Date Value of Performance Based Equity Compensation, Restricted Stock Awards Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Percentage, Target grant date value of performance based equity compensation, Nonqualified stock options Percentage, Target Grant Date Value of Performance Based Equity Compensation, Nonqualified Stock Options Percentage, Target Grant Date Value of Performance Based Equity Compensation, Nonqualified Stock Options Maximum potential future issuance of performance based equity compensation, Nonqualified stock options Maximum Potential Future Issuance of Performance Stock Options Maximum Potential Future Issuance of Performance Stock Options Targeted total shareholder return performance, Nonqualified stock options Targeted Total Shareholder Return Performance, Nonqualified Stock Options Targeted Total Shareholder Return Performance, Nonqualified Stock Options Annaul grant limit per employee (in shares) Annaul Grant Limit Per Employee, Shares Annaul Grant Limit Per Employee, Shares Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Performance awards earned Performance Awards Earned Performance Awards Earned Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Grant date fair value Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Contingent consideration additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) Contingent consideration payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Ending balance Schedule of changes in assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Cash in escrow for sale of LendingTree Loans Escrow Deposit for Sale of LTL [Member] Represents the restricted cash in escrow deposit for sale of LTL. Other Restricted Cash and Cash Equivalents Other Restricted Cash and Cash Equivalents [Member] Represents the restricted cash and cash equivalent that are not separately disclosed elsewhere in the taxonomy. Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Items [Line Items] Restricted cash and cash equivalents Restricted Cash and Cash Equivalents, Current Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] ASSETS: Assets [Abstract] Accounts receivable (net of allowance of $1,518 and $675, respectively) Accounts Receivable, Net, Current Current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Current Total current assets Assets, Current Property and equipment (net of accumulated depreciation of $13,609 and $13,043, respectively) Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other non-current assets Other Assets, Noncurrent Total assets Assets LIABILITIES: Liabilities [Abstract] Accounts payable, trade Accounts Payable, Trade, Current Accrued expenses and other current liabilities Current contingent consideration Business Combination, Contingent Consideration, Liability, Current Current liabilities of discontinued operations Total current liabilities Liabilities, Current Non-current contingent consideration Business Combination, Contingent Consideration, Liability, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies SHAREHOLDERS' EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock $.01 par value; 5,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Issued Common stock $.01 par value; 50,000,000 shares authorized; 15,390,409 and 14,218,572 shares issued, respectively, and 12,945,961 and 11,979,434 shares outstanding, respectively Common Stock, Value, Outstanding Additional paid-in capital Additional Paid in Capital, Common Stock Treasury stock; 2,444,448 and 2,239,138 shares, respectively Treasury Stock, Value Noncontrolling interest Noncontrolling Interest in Variable Interest Entity Total shareholders' equity Total liabilities and shareholders' equity Liabilities and Equity Income Statement [Abstract] Costs and expenses: Costs and Expenses [Abstract] Cost of revenue (exclusive of depreciation and amortization shown separately below) Cost of Revenue Selling and marketing expense Selling and Marketing Expense General and administrative expense General and Administrative Expense Product development Research and Development Expense Severance Litigation settlements and contingencies Litigation Settlement, Expense Total costs and expenses Costs and Expenses Operating income Operating Income (Loss) Other income (expense): Other Nonoperating Income (Expense) [Abstract] Interest expense, net Interest Income (Expense), Net Other expense Other Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Net income from continuing operations Loss from discontinued operations, net of tax Net income and comprehensive income Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic Diluted Income per share from continuing operations: Earnings Per Share, Basic and Diluted [Abstract] Basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Loss per share from discontinued operations: Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share [Abstract] Basic (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Diluted (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Net income per share: Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Contingent consideration payment Payment for Contingent Consideration Liability, Investing Activities Contingent consideration payments Value of potential contingent consideration payments based on specified increases in federal funds interest rates Business Combination, Contingent Consideration, Individual Payments Based on Specified Increases in Federal Funds Interest Rates Business Combination, Contingent Consideration, Individual Payments Based on Specified Increases in Federal Funds Interest Rates One-time contingent consideration performance payment Business Combination, Contingent Consideration, One-Time Performance Payment Business Combination, Contingent Consideration, One-Time Performance Payment Schedule of weighted average basic and diluted common shares Schedule of Weighted Average Number of Shares [Table Text Block] Accounting Estimates Use of Estimates, Policy [Policy Text Block] Certain Risks and Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] Litigation Settlements and Contingencies Legal Costs, Policy [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] REVENUE Revenue from Contract with Customer [Text Block] Nonvested RSUs, Restricted Stock and Restricted Stock Units with Performance Conditions, Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Nonvested at the beginning of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Nonvested at the end of the period (in shares) Nonvested RSUs, Restricted Stock and Restricted Stock Units with Performance Conditions, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Nonvested at the beginning of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Nonvested at the end of the period (in dollars per share) SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Effective tax rates (as a percent) Effective Income Tax Rate Reconciliation, Percent Federal statutory income tax rate (as a percentage) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Income tax expense - excluding excess tax benefit on stock compensation Income Tax Expense Excluding Excess Tax Benefit on Stock Compensation Income Tax Expense Excluding Excess Tax Benefit on Stock Compensation Excess tax benefits recognized in income tax expense Proceeds and Excess Tax Benefit from Share-based Compensation Amortization of intangible assets with definite lives computed on a straight-line basis Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Remainder of current year Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five INCOME TAXES Income Tax Disclosure [Text Block] Vested (in shares) Loss Contingencies [Table] Loss Contingencies [Table] Investor [Axis] Investor [Axis] Information by investor Investor [Domain] Investor [Domain] [Domain] for Information by investor Investor One [Member] Investor One [Member] Investor One [Member] Investor Two [Member] Investor Two [Member] Investor Two [Member] Discover Bank Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Loan loss obligations Obligation to Repurchase Receivables Sold [Member] Statement, Operating Activities Segment [Axis] Operating Activities [Axis] Segment, Operating Activities [Domain] Operating Activities [Domain] Discontinued operations Discontinued Operations [Member] Loan Loss Obligations Loss Contingencies [Line Items] Original number of loans sold by HLC Loss Contingencies, Number of Loans Sold Represents the number of loans sold by HLC Original principal balance of loans sold by HLC Loss Contingencies, Original Principal Balance Represents the original principal balance of loans sold by the entity. Subsequent settlements of loans sold by HLC, number Loss Contingencies, Number of Loans Subsequently Settled Loss Contingencies, Number of Loans Subsequently Settled Subsequent settlement of loans sold by HLC, original issue balance Loss Contingencies,Value of Loans Subsequently Settled Loss Contingencies,Value of Loans Subsequently Settled Remaining number of unsettled loans Loss Contingencies, Number of Unsettled Loans Remaining Represents the number of unsettled loans remaining. Remaining unsettled loans, original issue balance Loss Contingencies, Remaining Unsettled Loans Represents the original issue balance remaining on unsettled loans. Number of loans sold to one investor Loss Contingencies, Number of Loans Sold to one investor Loss Contingencies, Number of Loans Sold to one investor Percentage of the original loan issue balance Loss Contingencies, Percentage of the Original Loan Issue Balance Loss Contingencies, Percentage of the Original Loan Issue Balance Number of buyers of Previously purchased limited documentation loans with settlements Loss Contingencies, Settlement, Number of Buyers of Previously Purchased Limited Documentation Loans Represents the number of buyers of previously purchased limited documentation loans with whom settlement negotiations are entered by the entity. Estimated range of remaining possible losses due to loan losses Loss Contingency, Estimate of Possible Loss Loan loss reserve, at carrying value Loss Contingency Accrual Number of investors to whom loans are guaranteed Guarantee Obligations, Number of Investors to whom Loans Guaranteed Represents the number of investors to whom loans are guaranteed by the entity. Activity related to loss reserves on previously sold loans Loss Contingency Accrual [Roll Forward] Loan loss reserve, beginning of period Provisions Loss Contingency Accrual, Provision Charge-offs to reserves Loss Contingency, Accrual Carrying Value, Charge Offs The charge-offs made in the period which reduced loss contingency liabilities. Loan loss reserve, end of period Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending litigation or appeal Pending Litigation [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] Residential Funding Company Residential Funding Company [Domain] Residential Funding Company [Domain] Lehman Brothers Holdings, Inc. Demand Letter Lehman Brothers Holdings, Inc. Demand Letter [Member] Lehman Brothers Holdings, Inc. Demand Letter [Member] Contingencies Accrued litigation liability Estimated Litigation Liability Number of loan originators Loss Contingency, Number Of Loan Originators Loss Contingency, Number Of Loan Originators Number of asserted claims Loss Contingency, Pending Claims, Number Damages sought Loss Contingency, Damages Sought, Value Number of defendants Loss Contingency, Number of Defendants Number of loans Loss Contingency, Number Of Loans Loss Contingency, Number Of Loans Schedule of mortgage and non-mortgage product revenue Schedule of Segment Reporting Information, by Segment [Table Text Block] DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Business Acquisition, Pro Forma Information [Abstract] Business Acquisition, Pro Forma Information [Abstract] Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax After tax contingent consideration tax Business Combination, Contingent Consideration Arrangements, After Tax Contingent Consideration Expense After tax contingent consideration expense. Revenue of acquirees Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Net loss from continuing operations from acquirees Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Schedule of Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] SHAREHOLDERS' EQUITY Earnings Per Share [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning Goodwill Goodwill, Gross Beginning accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Beginning net goodwill Goodwill Goodwill, Acquired During Period Accumulated Impairment Loss Goodwill, Impairment Loss Ending Goodwill Ending accumulated impairment losses Ending net goodwill Intangible Assets, Net (Including Goodwill) [Abstract] Intangible Assets, Net (Including Goodwill) [Abstract] Intangible assets with indefinite lives Indefinite-Lived Intangible Assets (Excluding Goodwill) Intangible assets with definite lives, net Total intangible assets, net Schedule of Effect of New Accounting Pronouncements Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]