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No documentation exists for this element. -- Statistical Measurement [Domain] Statistical Measurement [Domain] Depreciation Depreciation Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Interest expense recognized associated with the coupon rate Interest Expense, Debt, Excluding Amortization Amended Revolving Credit Facility Amended Revolving Credit Facility [Member] Amended Revolving Credit Facility Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] CONTINGENCIES Legal Matters and Contingencies [Text Block] Credit agreement, ratio of debt to EBITDA Credit Agreement, Ratio of Debt to EBITDA Credit Agreement, Ratio of Debt to EBITDA Additional paid-in capital Additional paid-in capital Additional Paid in Capital, Common Stock Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Net (loss) income Net income (loss) Net (loss) income and comprehensive (loss) income Net Income (Loss) Attributable to Parent Summary of Employee Stock Purchase Plan Valuation Assumptions Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] 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 (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Fed Funds Effective Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Net cash (used in) provided by operating activities attributable to discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Equity Component [Domain] Equity Component [Domain] Cash repurchase at a price equal to the principal amount of the notes, percentage Debt Instrument, Redemption Price, Percentage Investment, Name [Domain] Investment, Name [Domain] Contract asset Contract with Customer, Asset, after Allowance for Credit Loss Proceeds used to settle outstanding balance of debt instrument Repayments of Convertible Debt, Including Interest Repayments of Convertible Debt, Including Interest Diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Number of operating segments Number of Operating Segments 2020 Hedge and Warrants 2020 Warrants [Member] 2020 Warrants [Member] 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 Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Line of credit outstanding Long-Term Line of Credit Common stock $.01 par value; 50,000,000 shares authorized; 16,140,889 and 16,070,720 shares issued, respectively, and 12,785,423 and 13,095,149 shares outstanding, respectively Common Stock, Value, Outstanding Entity Address, State or Province Entity Address, State or Province Schedule of Basic and Diluted Income per Share Schedule of Weighted Average Number of Shares [Table Text Block] Employee Stock Employee Stock [Member] EarnUp Inc. EarnUp Inc. [Member] EarnUp Inc. 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[Member] Credit Cards [Member] Segment marketing expense Marketing Expense Document Period End Date Document Period End Date Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Number of shares covered by the hedge transactions Number of Shares Covered by the Hedge Transactions Number of Shares Covered by the Hedge Transactions Accrued advertising expense Accrued Advertising, Current Total assets Assets Write-off of uncollectible accounts receivable Accounts Receivable, Allowance for Credit Loss, Writeoff Debt Disclosure [Abstract] Debt Disclosure [Abstract] Net (loss) income per share: Earnings Per Share [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Stock options, Grant Date Fair Value Valuation Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Restricted Stock Units with Performance Conditions Performance Shares [Member] Antidilutive 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Proceeds from Issuance of Secured Debt Ratio of debt to EBITDA increase Credit Facility, Restrictive Financial Covenant, First Lien Net Leverage Ratio Increase Credit Facility, Restrictive Financial Covenant, First Lien Net Leverage Ratio Increase Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Treasury Stock Treasury Stock, Common [Member] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Investment, Name [Axis] Investment, Name [Axis] Share price (in dollars per share) Share Price Payments related to net-share settlement of stock-based compensation, net of proceeds from exercise of stock options Proceeds (Payments) Related To Net-Share Settlement Of Stock-Based Compensation, Net Proceeds (Payments) Related To Net-Share Settlement Of Stock-Based Compensation, Net Trading Symbol Trading Symbol Entity File Number Entity File Number Beginning balance, treasury (in shares) Ending balance, treasury (in shares) Treasury Stock, Common, Shares Accounts payable, trade Accounts Payable, Trade, Current 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Product development Product development Research and Development Expense Income Statement and Statement of Comprehensive Income [Abstract] Income Statement and Statement of Comprehensive Income Premium percentage Debt Instrument Redemption Price Premium Percentage Debt Instrument Redemption Price Premium Percentage Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Revenue and net income (loss) of discontinued operations Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Four Finite-Lived Intangible Asset, Expected Amortization, after Year Four Accounting Estimates Use of Estimates, Policy [Policy Text Block] Other (expense) income, net: Other Nonoperating Income (Expense) [Abstract] LIBOR London Interbank Offered Rate (LIBOR) [Member] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Contingent consideration, beginning of period Contingent consideration, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Revenue Revenue Revenues Expected volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Fees and expense paid to lenders at closing Debt Instrument, Fee Amount INCOME TAXES Income Tax Disclosure [Text Block] Net (loss) income from continuing operations Net (loss) income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Credit Facility [Domain] Credit Facility [Domain] Amortization of intangibles Amortization of intangibles Amortization of Intangible Assets Strike price of warrants sold (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Basic (in dollars per share) Earnings Per Share, Basic Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Schedule of Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Repurchase of 0.625% Convertible Senior Notes Repayments of convertible debt Repayments of Convertible Debt Selling and marketing expense Selling and Marketing Expense Total shareholders' equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent 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 Vesting [Domain] Vesting [Domain] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Entity Interactive Data Current Entity Interactive Data Current Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Changes in current assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Accumulated Deficit Retained Earnings [Member] Segment Information Segment Reporting Information [Line Items] Litigation settlements and contingencies Litigation settlements and contingencies Gain (Loss) Related to Litigation Settlement Net 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 Common Stock Common Stock [Member] Schedule of Non-cash Compensation Related to Equity Awards Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Number of reportable segments Number of Reportable Segments Purchase of treasury stock Payments for Repurchase of Common Stock Customer deposits and escrows Customer Deposits and Escrows, Current Customer Deposits and Escrows, Current Statement [Table] Statement [Table] 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 Realized gain from sale of equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal Annual interest rate on convertible senior notes Debt Instrument, Interest Rate, Effective Percentage Document Quarterly Report Document Quarterly Report Letter of Credit Letter of Credit [Member] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Operating lease liabilities Operating Lease, Liability, Noncurrent Statistical Measurement [Axis] Statistical Measurement [Axis] Purchase of treasury stock (in shares) Purchased shares of common stock under stock repurchase program (in shares) Treasury Stock, Shares, Acquired Intangible assets with indefinite lives Indefinite-Lived Intangible Assets (Excluding Goodwill) Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Accounts receivable (net of allowance of $2,300 and $1,456, respectively) Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Equity Components [Axis] Equity Components [Axis] 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 Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Document Fiscal Year Focus Document Fiscal Year Focus Statement [Line Items] Statement [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] (Loss) income per share from continuing operations: Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Nonvested at the beginning of the period (in shares) Nonvested at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Variable Rate [Domain] Variable Rate [Domain] Letter of credit participation fee percentage Line of Credit Facility, Letter of Credit Participation Fee Percentage Line of Credit Facility, Participation Fee Cost Finite-Lived Intangible Assets, Gross Change in fair value of contingent consideration Change in fair value of contingent consideration Total net losses (gains) included in earnings (realized and unrealized) Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Capital expenditures Payments to Acquire Productive Assets Type of Restructuring [Domain] Type of Restructuring [Domain] Document Transition Report Document Transition Report Local Phone Number Local Phone Number Summary of Changes in Outstanding Stock Options Share-Based Payment Arrangement, Option, Activity [Table Text Block] Operating (loss) income Operating Income (Loss) Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Covenant threshold Debt Instrument Covenant Borrowing Capacity Threshold Debt Instrument Covenant Borrowing Capacity Threshold 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 Prepaid and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Common stock, shares outstanding Common Stock, Shares, Outstanding Goodwill Net goodwill Goodwill Income tax benefit Discontinued Operation, Tax Effect of Discontinued Operation Treasury stock, shares Treasury Stock, Shares Adjustments to reconcile net (loss) 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] GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Income tax benefit Income tax benefit Income Tax Expense (Benefit) Deferred income tax liabilities Deferred Income Tax Liabilities, Net Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Credit Loss [Abstract] Credit Loss [Abstract] Additional Paid-in Capital Additional Paid-in Capital [Member] 2017 Hedge and Warrants 2017 Warrants [Member] 2017 Warrants [Member] Expected dividends Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Payments Document Fiscal Period Focus Document Fiscal Period Focus Proceeds from sale of equity method investments Proceeds from Sale of Equity Method Investments Diluted (in shares) Weighted average diluted common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Expected volatility, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, 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Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Initial conversion price per share (in dollars per share) Debt Instrument, Convertible, Conversion Price Purchase period (in months) Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Convertible Debt Convertible Debt [Member] Options exercisable at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Unused commitment fees Debt Instrument, Unused Borrowing Capacity, Fee Preferred stock, shares authorized Preferred Stock, Shares Authorized Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period Total cash, cash equivalents, restricted cash and restricted cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Stash Stash Financial, Inc. [Member] Stash Financial, Inc. 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Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Aggregate principal amount Debt Instrument, Face Amount Comprehensive (loss) income Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net cash provided by operating activities attributable to continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Schedule of Segment Reporting Information by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Other Other Liabilities, Current Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other non-current assets Other Assets, Noncurrent Gross carrying amount Convertible Debt Loss from discontinued operations, net of tax Less: Loss from discontinued operations, net of tax Net loss Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Payments Payments for Restructuring Options exercisable at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Depreciation Depreciation Depreciation, Depletion and Amortization Purchase price of common stock, percent Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Credit Agreement Credit Agreement [Member] Credit Agreement Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Effect of dilutive share awards (in shares) IncrementalCommonSharesAttributableToRestrictedStockUnits IncrementalCommonSharesAttributableToRestrictedStockUnits Employee separation payments Employee Severance [Member] Federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, 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Net of Tax, Per Basic and Diluted Share [Abstract] Income (Loss) from Discontinued Operations, Net of Tax, Per Basic and Diluted Share Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Schedule of Amortization of Intangible Assets with Definite Lives Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Selling and marketing expense Selling and Marketing Expense [Member] Option Share-Based Payment Arrangement, Option [Member] Treasury stock; 3,355,466 and 2,975,571 shares, respectively Treasury Stock, Value Expected volatility rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Allowance for credit loss Balance, beginning of the period Balance, end of the period Accounts Receivable, Allowance for Credit Loss, Current Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Other income Other income Other Nonoperating Income (Expense) RESTRUCTURING ACTIVITIES Restructuring and Related Activities Disclosure [Text Block] Common stock, shares authorized Common Stock, Shares Authorized Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Maximum Maximum [Member] Offering period (in months) Share-Based Compensation Arrangement By Share-based Payment Award, Consecutive Offering Period Share-Based Compensation Arrangement By Share-based Payment Award, Consecutive Offering Period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total cash (used in) provided by discontinued operations Net Cash Provided by (Used in) Discontinued Operations Total current assets Assets, Current Revenue recognized from prior period Contract with Customer, Liability, Revenue Recognized Entity Small Business Entity Small Business Tax impacts due to ASU 2020-06 adoption Stockholders' Equity Attributable to Parent, Tax Stockholders' Equity Attributable to Parent, Tax Shares issued under ESPP (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Intangible assets with definite lives, net Total intangible assets with definite lives, net Finite-Lived Intangible Assets, Net Line of Credit Facility [Table] Line of Credit Facility [Table] SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Proceeds from hedge and warrants Proceeds from Hedge and Warrants Proceeds from Hedge and Warrants Stock options, Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Amortization of debt discount Amortization of Debt Discount (Premium) Loss before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Outstanding at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Schedule of 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 Conversion rate Debt Instrument, Convertible, Threshold Percentage Of Stock Price Trigger, Five Business Days Debt Instrument, Convertible, Threshold Percentage Of Stock Price Trigger, Five Business Days Total costs and expenses Costs and Expenses Payables and Accruals [Abstract] Payables and Accruals [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Summary 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] Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Payment of debt issuance costs Payments of Debt Issuance Costs SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Payments for repurchase of warrants Payments for Repurchase of Warrants Schedule of Balance of Goodwill, Net and Intangible Assets, Net Schedule of Intangible Assets and Goodwill [Table Text Block] 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Common stock repurchases Disclosure of Repurchase Agreements [Abstract] Restructuring and severance Total restructuring charges Income Statement Impact Restructuring Charges CASH AND RESTRICTED CASH Restricted Assets Disclosure [Text Block] Unamortized debt discount Debt Instrument, Unamortized Discount Conversion rate, sales price of common stock as a percentage of the conversion price Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Write-off of previously capitalized debt issuance costs Write off of Deferred Debt Issuance Cost Entity Filer Category Entity Filer Category Basic (in shares) Weighted average basic common shares (in shares) Weighted Average Number of Shares Outstanding, Basic Equity component of the principal amount Debt Instrument, Convertible, Carrying Amount of Equity Component Accrued expenses and other current liabilities Accrued Liabilities, Current [Abstract] Total non-cash compensation Share-Based Payment Arrangement, Expense Commitments and contingencies (Note 13) Commitments and Contingencies Maximum number of shared to be earned Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Shares To Be Earned Share-Based Compensation Arrangement By Share-Based Payment Award, Maximum Shares To Be Earned Security Exchange Name Security Exchange Name Outstanding at the beginning of the period (in dollars per share) Outstanding at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Nonvested RSUs and Restricted Stock Units,, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Preferred stock $.01 par value; 5,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Issued Letters of credit outstanding Letters of Credit Outstanding, Amount Debt repurchased amount, accrued interest Debt Instrument, Repurchased Amount, Accrued Interest Debt Instrument, Repurchased Amount, Accrued Interest General and administrative expense General and Administrative Expense [Member] Common stock reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Cover [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Capacity available for general corporate purchases Line Of Credit Facility Capacity Available For General Corporate Purchases Line Of Credit Facility Capacity Available For General Corporate Purchases Goodwill, Impairment Loss Goodwill, Impairment Loss Restructuring and Related Activities [Abstract] STOCK-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] REVENUE Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Total Consumer Consumer Consumer Segment [Member] Consumer Segment [Member] Collateral, percent of voting equity Line of Credit Facility, Collateral, Percent of Voting Equity Line of Credit Facility, Collateral, Percent of Voting Equity Conversion option two Debt Instrument, Redemption, Period Two [Member] Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Interest expense, net Interest Income (Expense), Net Income tax benefit (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 Total liabilities and shareholders' equity Liabilities and Equity Debt term (in years) Debt Instrument, Term Amortization of debt issuance costs Amortization of Debt Issuance Costs Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] 2022 Convertible Notes 2022 Convertible Notes [Member] 2022 Convertible Notes [Member] Extinguishment of debt Extinguishment of Debt, Amount Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Effect of stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements 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 Personal loans Personal Loans [Member] Personal Loans [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Restricted Stock Awards with Market Conditions Market-Based Restricted Stock [Member] Market-Based Restricted Stock Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Conversion option one Debt Instrument, Redemption, Period One [Member] Current Fiscal Year End Date Current Fiscal Year End Date Vesting [Axis] Vesting [Axis] Intangible assets with definite lives Finite-Lived Intangible Assets [Line Items] Intangible assets, net Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) Diluted (in dollars per share) Earnings Per Share, Diluted Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Trademarks and tradenames Trademarks and Trade Names [Member] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Loss on impairments and disposal of assets Gain (Loss) on Disposition of Property Plant Equipment Non-cash compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Termination of convertible note hedge on the 0.625% Convertible Senior Notes Proceeds from Hedge, Financing Activities Total current liabilities Liabilities, Current Risk-free interest rate, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Additional disclosure Earnings Per Share, Diluted, Other Disclosure [Abstract] 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 Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] 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. -- Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Reconciliation of Allowance For Doubtful Accounts Accounts Receivable, Allowance for Credit Loss [Table Text Block] Risk-free interest rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Unrealized gain on investments Equity Securities, FV-NI, Unrealized Gain (Loss) Income taxes receivable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Entity Address, Address Line One Entity Address, Address Line One Cost of revenue (exclusive of depreciation and amortization shown separately below) Cost of Revenue Other financing activities Proceeds from (Payments for) Other Financing Activities Contribution to LendingTree Foundation Charitable Contribution Accrual Charitable Contribution Accrual Premium percentage period (in months) Debt Instrument Redemption Price Premium Percentage Period Debt Instrument Redemption Price Premium Percentage Period Product and Service [Axis] Product and Service [Axis] Impairment loss on equity method investments Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Credit Facility [Axis] Credit Facility [Axis] 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 Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Proceeds from the sale of warrants related to the Convertible Senior Notes Proceeds from Issuance of Warrants Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Tax Identification Number Entity Tax Identification Number Customer lists Customer Lists [Member] Interest adjustment due to ASU 2020-06 adoption Stockholders' Equity Attributable to Parent, Before Tax Stockholders' Equity Attributable to Parent, Before Tax Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Remainder of current year Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Payment of convertible note hedge transactions Payments for Hedge, Financing Activities 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] Schedule of Rollforward of Accrued Balance for Restructuring Activities Restructuring and Related Costs [Table Text Block] Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Amortization of intangible assets with definite lives computed on a straight-line basis Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Certain Risks and Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] Accrued litigation liability Estimated Litigation Liability Reduction in carrying amount of ROU asset, offset by change in operating lease liabilities ROU asset amortization, offset by change in operating lease liabilities ROU asset amortization, offset by change in operating lease liabilities City Area Code City Area Code Accrued professional fees Accrued Professional Fees, Current ASSETS: Assets: Assets [Abstract] General and administrative expense General and administrative expense General and Administrative Expense Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Schedule of Income Tax (Expense) Benefit and Effective Tax Rate Schedule of income tax provision benefit [Table Text Block] [Table Text Block] for Schedule of income tax provision benefit [Table] Non-cash compensation expense Share-Based Payment Arrangement, Noncash Expense Equity investment Payments to Acquire Equity Method Investments Grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Variable Rate [Axis] Variable Rate [Axis] Warrants outstanding Class of Warrant or Right, Outstanding Estimated variable consideration, increase in revenue Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price Other non-current liabilities Other Liabilities, Noncurrent EQUITY INVESTMENT Equity Method Investments and Joint Ventures Disclosure [Text Block] Contingent consideration payment Contingent Consideration Payment Contingent Consideration Payment Product development Research and Development Expense [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Potential additional borrowing capacity Credit Agreement, Potential Additional Borrowing Capacity Credit Agreement, Potential Additional Borrowing Capacity Excess tax expense (benefit) on stock compensation Excess tax (expense) benefit on stock compensation Excess Tax Expense (Benefit) on Stock Compensation, Income Tax Expense (Benefit) Excess Tax Expense (Benefit) on Stock Compensation, Income Tax Expense (Benefit) 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Equity investment, aggregate cost Equity Method Investment, Aggregate Cost Cost of revenue Cost of Sales [Member] Component of the Notes Convertible Debt [Table Text Block] ORGANIZATION Business Description and Basis of Presentation [Text Block] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update 2020-06 [Member]