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Statistical Measurement [Axis] Statistical Measurement [Axis] Entity Interactive Data Current Entity Interactive Data Current Total Shareholder Return Amount Total Shareholder Return Amount Shares repurchased Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Non-cash investing and financing: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Two Insurance Partners Two Insurance Partners [Member] Two Insurance Partners Accumulated deficit Retained Earnings (Accumulated Deficit) Measure: Measure [Axis] Name Outstanding Recovery, Individual Name Unamortized deferred financing costs Financing Receivable, Unamortized Loan Cost (Fee) Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current assets Assets, Current [Abstract] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Basic net income per share: Earnings Per Share, Basic [Abstract] PEO PEO [Member] Concentration of revenue and credit risks Concentration Risk, Credit Risk, Policy [Policy Text Block] Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Claims administration and other service fees Administrative Service [Member] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Customer [Domain] Customer [Domain] Net income Net Income (Loss) Available to Common Stockholders, Basic Debt Instrument [Axis] Debt Instrument [Axis] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Effective income tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Credit Facility [Axis] Credit Facility [Axis] Total liabilities Liabilities Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Measurement Frequency [Domain] Measurement Frequency [Domain] All Executive Categories All Executive Categories [Member] Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis [Line Items] Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] Schedule of fair value assets and liabilities measured on recurring basis. Payments on revolving facility Repayments of Long-Term Lines of Credit Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Selling and marketing Selling and Marketing Expense Common stock, $0.01 par value; 550,000,000 shares authorized, 128,198,185 shares issued and 119,499,504 shares outstanding as of September 30, 2023 and 128,198,185 shares issued and 123,646,059 shares outstanding as of December 31, 2022 Common Stock, Value, Issued General and administrative General and Administrative Expense Non-cash operating lease cost Operating Lease, Right-of-Use Asset, Periodic Reduction Top Lender Customer Top Lender Customer [Member] Top Lender Customer Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Total current assets Assets, Current Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Cash and cash equivalents and restricted cash at the end of the period Supplemental Cash Flow Information [Abstract] Other expense, net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Shares repurchased, including excise tax (in shares) Stock Repurchased During Period, Shares Receivables transferred from contract assets upon billing the lending institutions Contract with Customer, Asset, Reclassified to Receivable PEO Name PEO Name Concentration risk, percentage Concentration Risk, Percentage Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Base Rate Base Rate [Member] Restricted cash Restricted Cash, Current Preferred stock, shares outstanding (in shares) 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Preferred Stock, Shares Issued Level 2 Fair Value, Inputs, Level 2 [Member] Entity Emerging Growth Company Entity Emerging Growth Company Less: Unamortized deferred financing costs Debt issuance costs, net Debt Issuance Costs, Net Debt instrument, effective interest rate Debt Instrument, Interest Rate, Effective Percentage Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Title Trading Arrangement, Individual Title Share-based compensation Share-Based Payment Arrangement, Noncash Expense Common Stock Common Stock [Member] Individual: Individual [Axis] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net Income per Share Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Proceeds from term loans Proceeds from Notes Payable Document Fiscal Year Focus Document Fiscal Year Focus Minimum Minimum [Member] Denominator Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property and equipment, net Property, Plant and Equipment, Net Exercise Price Award Exercise Price Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) Total Liabilities, Fair Value Disclosure Operating lease liabilities Increase (Decrease) in Operating Lease Liability Shares withheld for taxes related to restricted stock units Payment, Tax Withholding, Share-Based Payment Arrangement U.S. Treasury securities US Treasury Securities [Member] Income tax paid, net Income Taxes Paid, Net Shares withheld for taxes related to restricted stock units Net Cash Provided by (Used in) Financing Activities Deferred tax asset, net Deferred Income Tax Assets, Net Accumulated Deficit Retained Earnings [Member] Less: current portion of debt Long-Term Debt, Current Maturities Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Other assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Basic (in dollars per share) Basic net income per share attributable to common stockholders (in dollars per share) Earnings Per Share, Basic Operating lease right-of-use asset, net Operating Lease, Right-of-Use Asset Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Contract With Customer Asset And Liability [Table] Contract With Customer Asset And Liability [Table] Contract with customer asset and liability. 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Compensation Amount Outstanding Recovery Compensation Amount Provision for expected credit losses Accounts Receivable, Credit Loss Expense (Reversal) Additional paid-in capital Additional Paid in Capital Unused commitment Debt Instrument, Unused Borrowing Capacity, Amount Deferred income taxes Deferred Income Tax Expense (Benefit) New Credit Agreement New Credit Agreement [Member] New Credit Agreement Insider Trading Arrangements [Line Items] Allowance for credit loss (less than) Accounts Receivable, Allowance for Credit Loss Payment of deferred financing cost Payments Of Deferred Financings Costs Payments Of Deferred Financings Costs Debt instrument, margin rate Debt Instrument, Margin Rate Debt Instrument, Margin Rate Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Dilutive effect of time-based restricted stock units outstanding Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Other current and non-current assets Increase (Decrease) in Other Operating Assets Contract With Customer Asset And Liability [Line Items] Contract With Customer Asset And Liability [Line Items] Contract with customer asset and liability. Adjustment to Compensation, Amount Adjustment to Compensation Amount Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Adoption Date Trading Arrangement Adoption Date Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Restricted stock units issued, net of shares withheld for taxes Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Summary of Fair Value Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Treasury Stock Treasury Stock, Common [Member] Entity Central Index Key Entity Central Index Key Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Income tax expense Income Tax Expense (Benefit) Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Third-party claims administration liability Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve Number of operating segments Number of Operating Segments Name Trading Arrangement, Individual Name Accrued excise tax associated with share repurchases Accrued Excise Tax From Share Repurchases Accrued Excise Tax From Share Repurchases Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Money market funds Money Market Funds [Member] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Payments on term loans Repayments of Notes Payable Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Credit Facility [Domain] Credit Facility [Domain] Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Claims Administration and Other Service Fees TPA Fee [Member] TPA Fee (member). Numerator Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Total long-term debt, net of deferred financing costs Long-Term Debt, Excluding Current Maturities Diluted (in shares) Diluted weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Summary of Contract Assets Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Operating expenses Operating Expenses [Abstract] Contract Assets Revenue from Contract with Customer [Text Block] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Additional Paid-in Capital Additional Paid-in Capital [Member] Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Cover [Abstract] Cover [Abstract] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Amortization of debt issuance costs Amortization of Debt Issuance Costs Fair Value, Recurring Fair Value, Recurring [Member] Other liabilities Other Liabilities, Noncurrent Non-NEOs Non-NEOs [Member] Total operating expenses Operating Expenses Contract With Customer, Asset [Roll Forward] Contract With Customer, Asset [Roll Forward] Contract With Customer, Asset Net cash (used in) provided by financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Equity Component [Domain] Equity Component [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] Increase (decrease) in contract asset due to estimation of revenue from performance obligations satisfied in previous periods Adjustment of contract asset due to estimation of revenue from performance obligations satisfied in previous periods Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress Top Insurance Partner Top Insurance Partner [Member] Top Insurance Partner Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Scenario [Axis] Scenario [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Beginning balance Ending balance Contract with Customer, Asset, after Allowance for Credit Loss Basic (in shares) Weighted average common shares (in shares) Basic weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Operating income Operating Income (Loss) Comparability adjustment Reclassification, Comparability Adjustment [Policy Text Block] Unvested performance-based restricted stock units Performance-Based Restricted Stock Units [Member] Performance-Based Restricted Stock Units Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Revenue Revenues [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Fair value Estimate of Fair Value Measurement [Member] Concentration Risk [Table] Concentration Risk [Table] Capitalized software development costs accrued but not paid Capitalized software development costs accrued but not paid Capitalized software development costs accrued but not paid Scenario [Domain] Scenario [Domain] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table]