Total Liabilities, Fair Value Disclosure Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Provision for expected credit losses Accounts Receivable, Credit Loss Expense (Reversal) Income tax expense Income tax expense (benefit) Income Tax Expense (Benefit) Deferred tax asset, net Deferred Income Tax Assets, Net Long-term debt, gross Long-Term Debt, Gross Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share One Customer One Customer [Member] One Customer Income Statement [Abstract] Income Statement [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Additional Paid-in Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Insurance Partner Three Insurance Partner Three [Member] Insurance Partner Three Net income per common share Basic net income per share: Earnings Per Share, Basic [Abstract] Cost of services Cost of Goods and Services Sold Maximum total net leverage ratio Debt Instrument, Covenant, Total Net Leverage Ratio, Maximum Debt Instrument, Covenant, Total Net Leverage Ratio, Maximum Diluted (in shares) Diluted weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Debt Instrument [Axis] Debt Instrument [Axis] Increase due to new business generation Contract with Customer, Asset, Increase (Decrease) for Contract Acquired in Business Combination Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Current portion of debt Notes Payable, Current Financing Receivable, Unamortized Loan Cost (Fee) Financing Receivable, Unamortized Loan Cost (Fee) Accounts Receivable Accounts Receivable [Member] Base Rate Base Rate [Member] Common stock, $0.01 par value; 550,000,000 shares authorized, 128,198,185 shares issued and 126,230,762 shares outstanding as of September 30, 2022 and 128,198,185 shares issued and 126,212,876 shares outstanding as of December 31, 2021 Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Profit share Profit Share Profit Share [Member] Profit share (member). Statistical Measurement [Domain] Statistical Measurement [Domain] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] 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] Restricted stock units issued, net of shares withheld for taxes (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Liabilities: Financial Liabilities Fair Value Disclosure [Abstract] Payments received from insurance carriers Payments Received From Insurance Carriers Payments received from insurance carriers. Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Cash and cash equivalents and restricted cash at the beginning of the period Cash and cash equivalents and restricted cash at the end of the period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Current liabilities Liabilities, Current [Abstract] Net income attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Common stock, shares issued (in shares) Common Stock, Shares, Issued Receivables transferred from contract assets upon billing the lending institutions Contract with Customer, Asset, Reclassified to Receivable Shares repurchased Treasury Stock, Value, Acquired, Cost Method Concentration Risk [Line Items] Concentration Risk [Line Items] Net income Net income Net income attributable to common stockholders Net Income (Loss) Attributable to Parent 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 Property and equipment accrued but not paid Capital Expenditures Incurred but Not yet Paid Equity Component [Domain] Equity Component [Domain] Amendment Flag Amendment Flag Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Principal amount Debt Instrument, Face Amount Scenario [Axis] Scenario [Axis] Proceeds from revolving credit facility Proceeds from Long-Term Lines of Credit Settlement of tax receivable agreement Payments For Settlement Of Tax Receivable Agreement Payments For Settlement Of Tax Receivable Agreement Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Entity Current Reporting Status Entity Current Reporting Status Beginning balance Ending balance Contract with Customer, Asset, after Allowance for Credit Loss Other current liabilities Other Liabilities, Current Other non-current assets Other Assets, Noncurrent Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Number of operating segments Number of Operating Segments Line of credit facility, unused capacity, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Payments on term loans Repayments of Notes Payable Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Level 1 Fair Value, Inputs, Level 1 [Member] Term Loan due 2026 Term Loan Due 2026 [Member] Term Loan Due 2026 Weighted average common shares outstanding Denominator Weighted Average Number of Shares Outstanding, Basic [Abstract] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Basis of presentation and consolidation Basis of Accounting, Policy [Policy Text Block] Property and equipment, net Property, Plant and Equipment, Net Unvested and not exercised stock options Share-Based Payment Arrangement, Option [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Treasury stock at cost, 1,967,423 shares as of September 30, 2022 and 1,985,309 shares as of December 31, 2021 Treasury Stock, Value Insurance Partner Two Insurance Partner Two [Member] Insurance Partner Two Total debt Long-Term Debt Other income (expense) Other Nonoperating Income (Expense) Total long-term debt, net of deferred financing costs Long-Term Debt, Excluding Current Maturities Insurance Partner One Insurance Partner One [Member] Insurance Partner One Common stock, shares authorized (in shares) Common Stock, Shares Authorized Large Insurance Partner 1 Large Insurance Partner 1 [Member] Large Insurance Partner 1 Total liabilities Liabilities Total operating expenses Operating Expenses Maximum Maximum [Member] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Accounts payable Increase (Decrease) in Accounts Payable, Trade Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Secured Overnight Financing Rate (SOFR) Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Revolving Credit Facility Revolving Credit Facility [Member] Total current assets Assets, Current Income tax paid, net Income Taxes Paid, Net Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Document Type Document Type Entity Small Business Entity Small Business Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Measurement Frequency [Domain] Measurement Frequency [Domain] Non-cash operating lease cost Operating Lease, Right-of-Use Asset, Amortization Expense Revenue Revenues [Abstract] Debt Debt Disclosure [Text Block] Summary of Significant Accounting and Reporting Policies and Recent Developments Significant Accounting Policies [Text Block] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Deferred income taxes Deferred Income Tax Expense (Benefit) Accrued expenses Increase (Decrease) in Accrued Liabilities Concentration Risk [Table] Concentration Risk [Table] Contract With Customer Asset And Liability [Table] Contract With Customer Asset And Liability [Table] Contract with customer asset and liability. Medium-term Notes Medium-term Notes [Member] Accounts receivable, net Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Debt at fair value Notes Payable, Fair Value Disclosure Minimum fixed charge coverage ratio Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum Debt Instrument, Covenant, Fixed Charge Coverage Ratio, Minimum Summary of Contract Assets Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Document Period End Date Document Period End Date Debt Instrument [Line Items] Debt Instrument [Line Items] Total assets Assets Debt Disclosure [Abstract] Debt Disclosure [Abstract] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Accrued expenses Accrued Liabilities, Current Change in estimates of revenue from performance obligations satisfied in previous periods Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress Third-party claims administration liability Liability for Claims and Claims Adjustment Expense, Current Liability for Claims and Claims Adjustment Expense, Current Less: Current portion of debt Long-Term Debt, Current Maturities Numerator Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Denominator Weighted Average Number of Shares Outstanding, Diluted [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Line of Credit Line of Credit [Member] Accounts payable Accounts Payable, Current Large Insurance Partner 2 Large Insurance Partner 2 [Member] Large Insurance Partner 2 Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Stockholders’ equity Stockholders' Equity Attributable to Parent [Abstract] Other current and non-current assets Increase (Decrease) in Other Operating Assets Net Income per Share Earnings Per Share [Text Block] Unvested time-based restricted stock units Time-Based Restricted Stock Units [Member] Time-Based Restricted Stock Units Customer [Axis] Customer [Axis] Decrease maximum total net leverage ratio Debt Instrument, Covenant, Decreased Total Net Leverage Ratio, Maximum Debt Instrument, Covenant, Decreased Total Net Leverage Ratio, Maximum Operating lease liabilities Increase (Decrease) in Operating Lease Liability Entity Filer Category Entity Filer Category Basic (in shares) Weighted average common shares (in shares) Basic weighted average common shares (in shares) Weighted Average Number of Shares Outstanding, Basic Principal payment rate (as a percent) Debt Instrument, Principal Payment, Percentage Debt Instrument, Principal Payment, Percentage Program fees Program Fees Program Fee [Member] Program Fee (member). Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Income tax receivable Income Taxes Receivable, Current Gross profit Gross Profit Commitments and contingencies Commitments and Contingencies Security Exchange Name Security Exchange Name Entity Registrant Name Entity Registrant Name Discrete tax benefit Effective Income Tax Rate Reconciliation, Change In Tax Law, Amount Effective Income Tax Rate Reconciliation, Change In Tax Law, Amount Preferred stock, $0.01 par value; 10,000,000 shares authorized, none issued and outstanding Preferred Stock, Value, Issued Numerator Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Restricted cash Restricted Cash, Current Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Entity Address, City or Town Entity Address, City or Town Income tax receivable Increase (Decrease) in Income Taxes Payable New Credit Agreement New Credit Agreement [Member] New Credit Agreement Operating expenses Operating Expenses [Abstract] Cover [Abstract] Cover [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Restricted stock units issued, net of shares withheld for taxes Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Level 3 Fair Value, Inputs, Level 3 [Member] Allowance for credit loss (less than) Accounts Receivable, Allowance for Credit Loss Minimum Minimum [Member] Contract Assets Revenue from Contract with Customer [Text Block] Payment of deferred financing costs Payments Of Deferred Financings Costs Payments Of Deferred Financings Costs Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Change in Contract with Customer, Asset [Abstract] Change in Contract with Customer, Asset [Abstract] Contract assets, net Increase (Decrease) in Contract with Customer, Asset Debt instrument, margin rate Debt Instrument, Margin Rate Debt Instrument, Margin Rate Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Forecast Forecast [Member] Additional rate (as a percent) Debt Instrument, Additional Rate Debt Instrument, Additional Rate Less: Unamortized deferred financing costs Debt issuance costs, net Debt Issuance Costs, Net Contract With Customer Asset And Liability [Line Items] Contract With Customer Asset And Liability [Line Items] Contract with customer asset and liability. Treasury Stock Treasury Stock, Common [Member] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Shares withheld for taxes related to restricted stock units Payment, Tax Withholding, Share-Based Payment Arrangement Total liabilities and stockholders’ equity Liabilities and Equity Trading Symbol Trading Symbol Entity File Number Entity File Number Amortization of debt issuance costs Amortization of Debt Issuance Costs Treasury stock (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Payments on revolving credit facility Repayments of Long-Term Lines of Credit Dilutive effect of outstanding time-based restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Diluted net income per share: Earnings Per Share, Diluted [Abstract] Research and development Research and Development Expense Level 2 Fair Value, Inputs, Level 2 [Member] Effective income tax rate reconciliation, percent Effective Income Tax Rate Reconciliation, Percent Current Fiscal Year End Date Current Fiscal Year End Date Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Diluted (in dollars per share) Diluted net income per share attributable to common stockholders (in dollars per share) Earnings Per Share, Diluted Use of estimates and judgements Use of Estimates, Policy [Policy Text Block] New Term Loan due 2027 Term Loan Due 2027 [Member] Term Loan Due 2027 London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Type [Axis] Concentration Risk Type [Axis] Total current liabilities Liabilities, Current Gain on extinguishment of tax receivable agreement Gain on extinguishment of tax receivable agreement Gain (Loss) On Extinguishment Of Tax Receivable Agreement Gain (Loss) On Extinguishment Of Tax Receivable Agreement Other current assets Other Assets, Current Income Taxes Income Tax Disclosure [Text Block] Customer Concentration Risk Customer Concentration Risk [Member] Long-term debt, net of deferred financing costs Notes Payable, Noncurrent Credit Facility [Domain] Credit Facility [Domain] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Basic (in dollars per share) Basic net income per share attributable to common stockholders (in dollars per share) Earnings Per Share, Basic Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis [Table] Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Schedule of fair value assets and liabilities measured on recurring basis. Line of credit facility, commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, Address Line One Entity Address, Address Line One Concentration Risk Type [Domain] Concentration Risk Type [Domain] Selling and marketing Selling and Marketing Expense Total stockholders’ equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Product and Service [Axis] Product and Service [Axis] TPA Fees TPA Fee [Member] TPA Fee (member). Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Interest expense Interest Expense Entity Interactive Data Current Entity Interactive Data Current Credit Facility [Axis] Credit Facility [Axis] Two Insurance Partners Two Insurance Partners [Member] Two Insurance Partners Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Claims administration and other service fees Administrative Service [Member] Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Accumulated Deficit Retained Earnings [Member] Entity Tax Identification Number Entity Tax Identification Number Common Stock Common Stock [Member] Shares repurchased Payments for Repurchase of Common Stock Statement [Table] Statement [Table] Debt instrument, effective interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Proceeds from term loans Proceeds from Notes Payable Current contract assets, net Contract with Customer, Asset, after Allowance for Credit Loss, Current Document Quarterly Report Document Quarterly Report Letter of Credit Letter of Credit [Member] Current assets Assets, Current [Abstract] Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Customer Two Customer Two [Member] Customer Two Statistical Measurement [Axis] Statistical Measurement [Axis] Net change in cash and cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Share repurchase (in shares) Treasury Stock, Shares, Acquired Accumulated deficit Retained Earnings (Accumulated Deficit) Non-current contract assets, net Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Contract With Customer, Asset [Roll Forward] Contract With Customer, Asset [Roll Forward] Contract With Customer, Asset Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Equity Components [Axis] Equity Components [Axis] Scenario [Domain] Scenario [Domain] Interest income Investment Income, Interest Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Recurring Fair Value, Recurring [Member] Concentration of credit risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Top Insurance Partner Top Insurance Partner [Member] Top Insurance Partner Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] City Area Code City Area Code General and administrative General and Administrative Expense Statement [Line Items] Statement [Line Items] Assets Assets [Abstract] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Third-party claims administration liability Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve Variable Rate [Domain] Variable Rate [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Performance-based restricted stock units Performance-Based Restricted Stock Units [Member] Performance-Based Restricted Stock Units Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Debt instrument, LIBOR floor rate Debt Instrument, LIBOR Floor Rate Debt Instrument, LIBOR Floor Rate Non-cash investing and financing: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Variable Rate [Axis] Variable Rate [Axis] 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. Document Transition Report Document Transition Report Other current and non-current liabilities Increase (Decrease) in Other Operating Liabilities Local Phone Number Local Phone Number Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Operating income Operating Income (Loss) Recently issued but not yet adopted accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Summary of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Description of Business, Background and Nature of Operations Business Description and Basis of Presentation [Text Block] Customer [Domain] Customer [Domain]