Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Long-term Debt, Unclassified [Abstract] Long-Term Debt, Unclassified [Abstract] Shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement Statistical Measurement [Domain] Title of 12(b) security Title of 12(b) Security Subsequent Event [Member] Subsequent Event [Member] Document fiscal year focus Document Fiscal Year Focus Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument Financial Instrument [Axis] Conversion of Series A Preferred Stock, Common stock shares issued (including accrued dividends settled in shares of common stock) Conversion of Stock, Shares Issued Business Segments Segment Reporting [Abstract] Common stock, $0.01 par value: Authorized shares: 400,000,000; Issued and outstanding shares: June 30, 2026: 122,930,643 December 31, 2025: 106,175,229 Common Stock, Value, Issued Tax withholding payments for vested RSUs Payment, Tax Withholding, Share-Based Payment Arrangement Interest expense Interest Expense, Operating and Nonoperating Accrued employee benefits and compensation expenses Employee-related Liabilities, Current Schedule of long-term debt Schedule of Long-Term Debt Instruments [Table Text Block] Swing line loans Swing Line Loan [Member] Represents the details pertaining to swing line loans. Restatement Determination Date Restatement Determination Date Dividends on preferred stock (in shares) Stock Dividends, Shares Revolving credit facilities RevolvingCreditFacilities [Member] Revolving Credit Facilities Amendment flag Amendment Flag Goodwill Goodwill [Line Items] Current liabilities Liabilities, Current [Abstract] Conversion of Series A Preferred Stock, preferred shares converted Conversion of Stock, Shares Converted Entity common stock, shares outstanding Entity Common Stock, Shares Outstanding Conversion of Stock, type of stock converted Conversion of Stock, Type of Stock Converted Period to define financing receivables as past due (in days) Financing Receivable Past Due Number of Days Represents the number of days for defining financing receivables as past due. Total non-current liabilities Liabilities, Noncurrent Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity address, state Entity Address, State or Province Net increase in finance receivables held for investment Increase (Decrease) in Finance Receivables Foreign currency translation gain (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Non-current liabilities Liabilities, Noncurrent [Abstract] Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Share Repurchase Program Share Repurchase Program [Domain] Accumulated goodwill impairment Goodwill, Impaired, Accumulated Impairment Loss Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Finance receivables allowances Allowance for credit losses Balance at beginning of period Balance at end of period Financing Receivable, Allowance for Credit Loss, Current Floorplan receivables Floorplan Receivables [Member] Type of financing receivables or securitized financing assets that continue to be recognized and are characterized as floorplan receivables. Entity address, city Entity Address, City or Town PRSUs and/or RSUs grants Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Stock and Stock-Based Compensation Plans Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement Statement of Financial Position [Abstract] Canadian Sub-limit Canadian Sub-limit [Member] Canadian Sub-limit Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Class of Stock Class of Stock [Axis] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Dividends paid on Series A Preferred Stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Customer relationships, net of accumulated amortization of $463.7 and $459.2 Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income attributable to common stockholders Net income attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Principal amount of receivables delinquent Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Delinquent Amount at End of Period Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Customer relationships accumulated amortization Intangible Asset, Finite-Lived, Accumulated Amortization Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Cash reserve as security for obligations of collateralized financing receivables (as a percent) Cash Reserve as Percentage of Financing Receivable Securitized Represents the cash reserve maintained as a percentage of finance receivables securitized, which serves as security for the obligations collateralized by the financing receivables. Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Current maturities of long-term debt Long-Term Debt, Current Maturities U.S. UNITED STATES Dividends on preferred stock Dividends, Preferred Stock Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table] Stock Repurchased and Retired Weighted Average Price Per Share Stock Repurchased and Retired Weighted Average Price Per Share Stock Repurchased and Retired Weighted Average Price Per Share Canadian Prime Rate Canadian Prime Rate [Member] Canadian Prime Rate Revision of Prior Period, Reclassification, Adjustment [Member] Revision of Prior Period, Reclassification, Adjustment [Member] Less charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Variable rate basis Debt Instrument, Description of Variable Rate Basis Auction and Related Fees Auction and Related Fees [Member] Auction and Related Fees Schedule of financial information regarding the entity's reportable segments Segment Reporting [Table Text Block] Loss on sale of property Gain (Loss) on Disposition of Property Plant Equipment Use of Estimates Use of Estimates, Policy [Policy Text Block] Amortization of debt issuance costs Amortization of Debt Issuance Costs Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Document period end date Document Period End Date Marketplace Marketplace [Member] Represents the operating segment of the entity, Marketplace. Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Net income per share, Basic Net income per share - basic Earnings Per Share, Basic [Abstract] Series A Preferred Stock shares outstanding Temporary Equity, Shares Outstanding Security exchange name Security Exchange Name European Line of Credit European Line of Credit [Member] European Line of Credit. Schedule of quantitative information about delinquencies, credit losses less recoveries ("net credit losses") and components of securitized financial assets and other related assets managed Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table Text Block] Proceeds from sale of investments Proceeds from Sale of Long-Term Investments Convertible Preferred Stock Preferred Stock [Text Block] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity shell company Entity Shell Company Consolidation Items Consolidation Items [Domain] Accrued interest Interest Payable, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Net Income Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Income Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document fiscal period focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Long-term Debt, Credit Agreement Long-term Debt, Credit Agreement [Domain] Long-term Debt, Credit Agreement [Domain] Trading symbol Trading Symbol Segment, Geographical Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Other Loans Other Loans [Member] Type of financing receivables or securitized financing assets that continue to be recognized and are characterized as other loans receivable. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Income taxes payable Accrued Income Taxes, Current Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Company Selected Measure Name Company Selected Measure Name Finance receivables, net of allowances of $30.0 and $27.5 Finance receivables, net Financing Receivable, after Allowance for Credit Loss, Current Reclassifications Reclassifications [Text Block] Finance interest expense Financing Interest Expense Supplemental disclosure of non-cash financing activity Noncash Investing and Financing Items [Abstract] Net income per share, Diluted Net income per share - diluted Earnings Per Share, Diluted [Abstract] Long-term debt Total debt Long-Term Debt, Gross Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted average common shares outstanding and potential common shares Weighted Average Number of Shares Outstanding, Diluted Entity emerging growth company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name Disposal Group Name [Domain] Conversion of Stock, type of stock issued Conversion of Stock, New Issuance Underlying Security Market Price Change Underlying Security Market Price Change, Percent Temporary Equity Disclosure [Abstract] 2025 Share Repurchase Program 2025 Share Repurchase Program [Member] 2025 Share Repurchase Program Business Details Business Details [Table] Information related to various accounting policies of the entity. PRSU Vesting Multiplier by Performance Level Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-based Compensation Arrangements by Share-based Payment Award Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Short-Term Debt Short-Term Debt Award Timing Predetermined Award Timing Predetermined [Flag] Goodwill and Intangible Assets Intangible Asset, Goodwill and Other [Abstract] Outstanding letters of credit Letters of Credit Outstanding, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Effect of dilutive stock options and restricted stock awards Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Canadian Revolving Credit Facility Canadian Revolving Credit Facility [Member] Canadian Revolving Credit Facility Repurchase and retirement of common stock Stock Repurchased and Retired During Period, Value Stock Repurchased and Retired During Period, Value Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred Stock, par value per share Preferred Stock, Par or Stated Value Per Share Estimated fair value of long-term debt Long-Term Debt, Fair Value Basis of Presentation and Nature of Operations [Abstract] Business Details [Line Items] -- None. No documentation exists for this element. -- Finance Receivables Pledged as Security Finance Receivables Pledged as Security The carrying amount, as of the date of the latest financial statement presented, of finance receivables which are owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party. Scenario Scenario [Domain] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Schedule of computation of net income (loss) per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Information Segment Reporting [Text Block] Amount borrowed Long-Term Line of Credit Minimum Minimum [Member] SaaS and Other Revenue SaaS and Other Revenue [Member] SaaS and Other Revenue Expiration Date Trading Arrangement Expiration Date Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common Stock, Shares Authorized Common Stock, Shares Authorized Other income, net Other Nonoperating Income and Expense [Text Block] Exercise Price Award Exercise Price Segment Information Segment Reporting [Line Items] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Debt Instrument Adjusted Term CORRA Debt Instrument Adjusted Term CORRA [Member] Debt Instrument Adjusted Term CORRA Document quarterly report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segment Segments [Domain] Temporary Equity [Line Items] Temporary Equity [Line Items] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Credit Agreement Credit Agreement [Member] Represents details pertaining to the Credit Agreement. Long-Term Debt Debt Disclosure [Text Block] Payments on long-term debt Repayments of Long-Term Debt Scenario Scenario [Axis] Operating Activities Operating Activities [Domain] Unamortized debt issuance costs and discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Total operating expenses Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date PRSU Vesting Multiplier if performance is at target Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage at Target Performance Percentage of vesting of award under share-based payment arrangement at target performance. Schedule of Other Income, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Long-term Debt, Credit Agreement Long-term Debt, Credit Agreement [Axis] Long-term Debt, Credit Agreement [Axis] Debt Instrument Periodic Payment as Percentage of Principal Amount Debt Instrument Periodic Payment as Percentage of Principal Amount Debt Instrument Periodic Payment as Percentage of Principal Amount Investment securities recorded at fair value Equity Securities, FV-NI, Current Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Stock options outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Trade receivable allowances Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative Selling, General and Administrative Expense Letters of credit Letter of Credit [Member] Geographic Information Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Shares attributable to options excluded from the calculation of diluted net income per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Trade receivables and other assets Increase (Decrease) in Accounts Receivable and Other Operating Assets Schedule of goodwill Goodwill [Table Text Block] RSUs Restricted Stock Units (RSUs) [Member] Entity central index key Entity Central Index Key Property and Equipment Accumulated Depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Additional paid-in capital Additional Paid in Capital, Common Stock All Adjustments to Compensation All Adjustments to Compensation [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Deemed dividend on Series A Preferred Stock repurchases Preferred Stock Redemption Premium Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Stockholders' equity Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document transition report Document Transition Report Realized gain on investment securities Gain (Loss) on Investments Dividends on preferred stock Dividends, Preferred Stock, Cash Operating expenses Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of information regarding the geographic areas of entity's operations Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] Interest rate basis (as a percent) Debt Instrument, Basis Spread on Variable Rate Stock repurchase program expiration date Share Repurchase Program, Expiration Date City area code City Area Code Variable Rate Variable Rate [Domain] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Name Forgone Recovery, Individual Name Amount previously disclosed prior to error correction Previously Reported [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Total other assets Assets, Noncurrent Statement Statement [Line Items] Total assets Total assets Assets Entity Entity [Domain] Excise Tax on repurchase and retirement of Series A Preferred Stock Preferred Stock Excise Tax Excise tax on repurchase on preferred stock Percentage of equity interests of certain of the company's and the Subsidiary Guarantors' first-tier foreign subsidiaries pledged under the Credit Facility Debt Instrument, Percentage of Equity Interest of Entity and Foreign Subsidiaries of Subsidiary Guarantors Pledge Represents the percentage of equity interests of certain of the company's and the Subsidiary Guarantors' first-tier foreign subsidiaries pledged under the Credit Facility. Operating Segments Operating Segments [Member] Conversion of Series A Preferred Stock to Common Stock, amount converted Conversion of Stock, Amount Converted Investments recorded at cost Equity Securities without Readily Determinable Fair Value, Amount Stock and Stock-Based Compensation Plans Share-Based Payment Arrangement [Text Block] Other Intangible Assets Accumulated Amortization Other Intangible Assets Accumulated Amortization Other Intangible Assets Accumulated Amortization. Repurchase and retirement of Series A Preferred Stock, including excise taxes Repurchase and retirement of Series A Preferred Stock, including excise taxes Payments for Repurchase of Preferred Stock and Preference Stock PEO PEO [Member] Stock-based compensation expense (in dollars) Share-Based Payment Arrangement, Expense Schedule of obligations collateralized by finance receivables Schedule of Assets and Associated Liabilities Accounted for as Secured Borrowings [Table Text Block] Repurchase and retirement of common stock (in shares) Stock repurchased and retired during period (in shares) Stock Repurchased and Retired During Period, Shares Other liabilities Other Liabilities, Noncurrent Goodwill Balance at the beginning of the year Balance at the end of the year Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount PRSUs - Adjusted EBITDA PRSUs - Adjusted EBITDA [Member] Performance based restricted stock units (PRSUs) with vesting tied to the Company's cumulative Adjusted EBITDA. PRSUs and/or RSUs grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Subsequent Event Type Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Revision of Prior Period [Domain] Revision of Prior Period [Domain] Revolving Credit Facility Revolving credit facility Revolving Credit Facility [Member] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Financing Receivable, after Allowance for Credit Loss, Current [Abstract] Financing Receivable, after Allowance for Credit Loss, Current [Abstract] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Payments for debt issuance costs/amendments Payments for debt issuance costs/amendments Payments of Debt Issuance Costs Diluted (in dollars per share) Diluted (in dollars per share) Earnings Per Share, Diluted Entity current reporting status Entity Current Reporting Status Market Options Market Options [Member] Represents information pertaining to market options of the entity classified as equity awards. Net cash provided by (used by) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Surrender of RSUs for taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Percentage of equity interests of certain of the company's and the Subsidiary Guarantors' domestic subsidiaries pledged under the Credit Facility Debt Instrument, Percentage of Equity Interest of Entity and Domestic Subsidiaries of Subsidiary Guarantors Pledge Represents the percentage of equity interests of certain of the company's and the Subsidiary Guarantors' domestic subsidiaries pledged under the Credit Facility. Series A Preferred Stock par value per share Temporary Equity, Par or Stated Value Per Share Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Property and equipment, net of accumulated depreciation of $139.4 and $141.5 Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Amount available under Revolving Credit Facilities Line of Credit Facility, Remaining Borrowing Capacity Commitment fee on the unused amount of the Revolving Credit Facility (as a percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Purchased price per share Shares Issued, Price Per Share Cash reserve as security for obligations of collateralized financing receivables - circumstance two (as a percent) Cash Reserve as Percentage of Financing Receivable Securitized - Circumstance Two Represents the cash reserve maintained when certain circumstances are triggered as a percentage of finance receivables securitized, which serves as security for the obligations collaterized by the financing receivables. Types of Financial Instruments Financial Instruments [Domain] Net increase in book overdrafts Increase (Decrease) in Book Overdrafts Amounts attributable to common stockholders [Abstract] Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Goodwill and Other Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Net credit losses Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together, Net Credit Losses During Period Issuance of common stock under stock plans Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Finance revenue Finance revenue [Member] Finance revenue Obligations collateralized by finance receivables Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount Segment Reporting Segment Reporting [Table] Securities excluded from calculation of earnings per share amount due to performance conditions not yet satisfied Securities Excluded From Calculation Of Earnings Per Share Amount Due To Performance Conditions Not Yet Satisfied Represents the securities excluded from calculation of earnings per share amount due to performance conditions not yet satisfied. Provision for credit losses Provision for Loan, Lease, and Other Losses PRSUs PRSUs [Member] Performance-based restricted stock units (PRSUs) granted to certain employees of the Company. Includes PRSUs with vesting tied to the Company's Total Shareholder Return (TSR) and cumulative Adjusted EPS. Investing activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Additional disclosures Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Other current assets Other Assets, Current Operating activities Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other Nonoperating Income (Expense) [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating profit Operating profit Operating Income (Loss) Current fiscal year end date Current Fiscal Year End Date AFC Funding Corporation AFC Funding Corporation [Member] Represents information pertaining to AFC Funding Corporation, established for the purpose of purchasing AFC's finance receivables. Summary of stock-based compensation expense by type of award Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Award Type [Table Text Block] Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation award. Net increase in obligations collateralized by finance receivables Increase (Decrease) in Securities Loaned Transactions Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Long-lived assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Income Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Commission file number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Issuance of common stock under stock plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Summary of the changes in the allowance for credit losses and doubtful accounts Financing Receivable, Allowance for Credit Loss [Table Text Block] Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Common Stock, Shares, Issued Measure: Measure [Axis] PRSUs - TSR PRSUs PRSUs - TSR PRSUs [Member] Performance based restricted stock units (PRSUs) with vesting tied to the Company's total shareholder return. Discontinued Operations Discontinued Operations [Member] Number of equal annual installments Share Based Compensation Arrangement by Share Based Payment Award Number of Equal Annual Installments for Award Vesting Represents the number of equal annual installments over which the awards vest, from date of grant. Cost of services (exclusive of depreciation and amortization) Cost of services (exclusive of depreciation and amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Equity Components Equity Components [Axis] Net Income Per Share, Diluted, Other Disclosure Earnings Per Share, Diluted, Other Disclosure [Abstract] Product and Service [Domain] Product and Service [Domain] Cash paid for taxes, net of refunds Income Tax Paid, after Refund Received Purchased vehicle sales Purchased vehicle sales [Member] Purchased vehicle sales Entity interactive data current Entity Interactive Data Current Variable Rate Variable Rate [Axis] Deferred income tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Number of vehicle logistics center locations (Canada) Number of vehicle logistics center locations (Canada) Number of vehicle logistics center locations (Canada) Entity small business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount Termination Date Trading Arrangement Termination Date Surrender of RSUs for taxes (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Subsequent Events [Abstract] Subsequent Events [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent Finance Finance [Member] Represents the operating segment of the entity, Finance Financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document type Document Type Credit facility consolidated senior secured net leverage ratio Credit Facility Consolidated Senior Secured Net Leverage Ratio Credit Facility consolidated senior secured net leverage ratio Fair Value as of Grant Date Award Grant Date Fair Value Operating Activities Operating Activities [Axis] Schedule of Goodwill Goodwill [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Impairment of Intangible Assets (excluding Goodwill) Intangible Asset, Excluding Goodwill, Impairment Loss Stock Repurchase Program, Remaining Authorized Repurchase Amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Subsequent Events Subsequent Event [Line Items] PRSU Vesting Multiplier if performance is at threshold Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage at Threshold Performance Percentage of vesting of award under share-based payment arrangement at threshold performance. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local phone number Local Phone Number Consolidation Items Consolidation Items [Axis] Entity address, postal zip code Entity Address, Postal Zip Code Entity registrant name Entity Registrant Name Percent of foreign revenue from Canada PercentofForeignRevenueFromCanada Percent of Foreign Revenue From Canada Debt Instrument Base Rate Debt Instrument Variable Rate Base [Member] Represents the base rate used to calculate the variable interest rate of the debt instrument. Income before income taxes Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 9) Commitments and Contingencies Operating revenues Revenues Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] PRSUs vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Changes in Goodwill Goodwill [Roll Forward] Liabilities, Temporary Equity and Stockholders' Equity Liabilities and Equity [Abstract] Series A convertible preferred stock Temporary equity balance Temporary Equity, Carrying Amount, Attributable to Parent Award type Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjusted Term SOFR Debt Instrument Adjusted Term SOFR [Member] Debt Instrument Adjusted Term SOFR Investments in securities Payments to Acquire Long-Term Investments Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Geographical Geographical [Axis] Series A Preferred Stock shares issued Temporary Equity, Shares Issued Finance Receivables and Obligations Collateralized by Finance Receivables Assets that Continue to be Recognized, Securitized or Asset-Backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity tax identification number Entity Tax Identification Number Committed liquidity Financing Receivable Committed Liquidity Represents the amount of committed liquidity provided by the funding corporation. Legal Entity Legal Entity [Axis] Number of floorplan financing locations Number of Locations for Floorplan Financing Represents the number of locations through which floorplan financing was provided. October 2019 Share Repurchase Program October 2019 Share Repurchase Program [Member] October 2019 share repurchase program. Series A Preferred Stock dividends Preferred Stock Dividends, Income Statement Impact Obligations collateralized by finance receivables, gross Transfers Accounted For As Secured Borrowings, Associated Liabilities, Gross Amount Gross amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented. Other accrued expenses Other Accrued Liabilities, Current Entity incorporation state Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Restricted cash Restricted Cash and Cash Equivalent, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Changes in the allowance for credit losses Financing Receivable, Allowance for Credit Loss [Roll Forward] Basis of Presentation and Nature of Operations Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Disposal Group Name Disposal Group Name [Axis] Conversion of Series A convertible preferred stock into common stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Long-term Debt, Type Long-Term Debt, Type [Domain] Basic (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic Repurchase and retirement of common stock, including excise taxes Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt Long-Term Debt, Excluding Current Maturities Accrued dividends on Series A Preferred Stock, settled in shares of common stock Dividends, Preferred Stock, Stock Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] 2025 Incremental Term Loans 2025 Incremental Term Loans [Member] 2025 Incremental Term Loans Trade receivables, net of allowances of $9.6 and $9.7 Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Foreign Non-US [Member] Foreign line of credit Foreign Line of Credit [Member] Foreign currency Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Total liabilities, temporary equity and stockholders' equity Liabilities and Equity Income Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Schedule of Revenues from External Customers and Long-Lived Assets Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Proceeds from issuance of Series A Preferred Stock Proceeds from Issuance of Preferred Stock and Preference Stock Business Segments Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Other income, net Other income, net Other income, net Other Nonoperating Income (Expense) Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Name Awards Close in Time to MNPI Disclosures, Individual Name Schedule of Assets that Continue to be Recognized, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together Assets that Continue to be Recognized, Transferred Financial Assets and Other Financial Assets Managed Together [Table] Principal amount of receivables Continuing Involvement with Continued to be Recognized Transferred Financial Assets, Amount Outstanding Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Other assets Assets, Noncurrent [Abstract] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Conversion of Series A convertible preferred stock into common stock Stock Issued During Period, Value, Conversion of Convertible Securities Preferred Stock, shares authorized, unissued and without designation as to series Preferred Stock, Shares Authorized Service options Service Options [Member] Represents information pertaining to service options of the entity classified as equity awards. Auction Fees Auction Fees [Member] Auction Fees Adjustment to Compensation: Adjustment to Compensation [Axis] Accrued interest and fees Accrued interest and fees on finance receivables managed Accrued interest and fees on finance receivables managed Share Repurchase Program Share Repurchase Program [Axis] Class of Stock Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Purchases of property, equipment and computer software Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net income attributable to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Other non-cash, net Other Noncash Income (Expense) Service Revenue Service Revenue [Member] Service Revenue Long-Term Debt Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Accrual for repurchase of common stock Stock repurchased and retired during period, portion pending settlement Accrual for Common Stock Repurchase Future cash outflow to pay for the repurchases of common stock that have occurred. Significant Change In Legal And Regulatory Proceedings Significant Change In Legal And Regulatory Proceedings Represents the amount of significant change in legal and regulatory proceedings during the reporting period. Additional Paid-In Capital Additional Paid-in Capital [Member] Entity filer category Entity Filer Category Impairment of goodwill Goodwill, Impairment Loss Revision of Prior Period [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent AFCI Automotive Finance Canada Inc [Member] Represents information pertaining to Automotive Finance Canada, Inc. Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Entity address, address line two Entity Address, Address Line Two Issuance of common stock under stock plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity address, address line one Entity Address, Address Line One Income taxes Income Tax Expense (Benefit) Foreign currency gains Gain (Loss), Foreign Currency Transaction, before Tax Other Financing Receivable Allowance For Credit Losses, Other Reflects other additions and reductions to the finance receivable allowance, which are not reflected elsewhere or separately disclosed. Other Other Nonoperating Income Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Other intangible assets, net of accumulated amortization of $570.9 and $555.0 Other Intangible Assets, Net Finance Receivables and Obligations Collateralized by Finance Receivables Transfers and Servicing of Financial Assets [Text Block] AFC AFC [Member] Represents the operating segment of the entity, Automotive Finance Corporation. Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Unamortized securitization issuance costs Unamortized Debt Issuance Expense Proceeds from the sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Net repayments of lines of credit Proceeds from (Repayments of) Lines of Credit Frequency of commitment fee payment Line of Credit Facility, Frequency of Commitment Fee Payment Operating revenues Revenues [Abstract] Temporary equity Temporary Equity [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Euribor rate DebtInstrumentEuriborRate [Member] Debt Instrument Euribor Rate. Chief Executive Officer [Member]