Class of Stock [Axis] Preferred Stock [Member] Series A Preferred Stock [Member] Series B Preferred Stock [Member] Equity Components [Axis] Common Stock [Member] Retained Earnings [Member] AOCI Attributable to Parent [Member] Additional Paid-in Capital [Member] Statement of Income Location, Balance [Axis] Origination And Servicing Fees From Third Party Receivables [Member] Sales Tax Refunds [Member] Other Income [Member] Property Subject to or Available for Operating Lease [Axis] Operating Lease [Member] Finance Lease [Member] Award Type [Axis] Options Exercised [Member] Exercise Price Range [Axis] $2.00 - $2.99 [Member] $3.00 - $3.99 [Member] $4.00 - $4.99 [Member] $10.00 - $10.99 [Member] Share Repurchase Program [Axis] Open Market Purchases [Member] Shares Redeemed [Member] Financial Asset, Aging [Axis] Financial Asset, 1 to 29 Days Past Due [Member] Financial Asset, 30 to 59 Days Past Due [Member] Financial Asset, 60 to 89 Days Past Due [Member] Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Financing Receivable Portfolio Segment [Axis] Vintage Pool 2015 [Member] Vintage Pool 2016 [Member] Vintage Pool 2017 [Member] Vintage Pool 2014 [Member] Applied Against Repos In Inventory Member [Member] Financial Instrument [Axis] CPS 2020 C [Member] CPS 2021 A [Member] CPS 2021 B [Member] CPS 2021 C [Member] CPS 2021 D [Member] CPS 2022 A [Member] CPS 2022 B [Member] CPS 2022 C [Member] CPS 2022 D [Member] CPS 2023 A [Member] CPS 2023 B [Member] CPS 2023 C [Member] CPS 2023 D [Member] CPS 2024 A [Member] CPS 2024 B [Member] CPS 2024 C [Member] CPS 2024 D [Member] CPS 2025 A [Member] CPS 2025 B [Member] Long-Term Debt, Type [Axis] Securitization Trust Debt [Member] Credit Facility [Axis] Warehouse Lines Of Credit 1 [Member] Warehouse Lines Of Credit 2 [Member] Residual Interest Financing [Member] Residual Interest Financing 1 [Member] Residual Interest Financing 2 [Member] Subordinated Renewable Notes [Member] Securities Financing Transaction [Axis] 2025-1 Notes [Member] Revolving Credit Agreement [Member] Lender Name [Axis] Citibank [Member] Ares Agent Services [Member] 2024-1 Notes [Member] 2021-1 Notes [Member] Warehouse Lines Of Credit [Member] Income Tax Jurisdiction [Axis] Domestic Tax Jurisdiction [Member] State and Local Jurisdiction [Member] Financial Asset, Not Past Due [Member] Repossessed Vehicles [Member] Asset Class [Axis] Carrying Value [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement [Table] Statement [Line Items] ASSETS Cash and cash equivalents Restricted cash and equivalents Finance receivables measured at fair value Finance receivables, net Furniture and equipment, net Other assets Total assets LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities Accounts payable and accrued expenses Warehouse lines of credit Residual interest financing Securitization trust debt Subordinated renewable notes Total liabilities COMMITMENTS AND CONTINGENCIES Shareholders' Equity Preferred stock, value Common stock, no par value; authorized 75,000,000 shares; 22,224,186 and 21,432,698 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively Retained earnings Accumulated other comprehensive loss Total shareholders' equity Total liabilities and shareholders' equity Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares issued Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Revenues: Interest income Mark to finance receivables measured at fair value Other income Total revenues Expenses: Employee costs General and administrative Interest Provision for credit losses Sales Occupancy Depreciation and amortization Total expenses Income before income tax expense Income tax expense Net income Earnings per share: Basic Diluted Number of shares used in computing earnings per share: Basic Diluted Net income Other comprehensive income/(loss); change in funded status of pension plan Comprehensive income Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Net interest income accretion on fair value receivables Depreciation and amortization Amortization of deferred financing costs Mark to finance receivables measured at fair value Stock-based compensation expense Changes in assets and liabilities: Deferred tax assets, net Other assets Accounts payable and accrued expenses Net cash provided by operating activities Cash flows from investing activities: Payments received on finance receivables held for investment Purchases of finance receivables measured at fair value Payments received on finance receivables at fair value Change in repossessions held in inventory Purchase of furniture and equipment Net cash used in investing activities Cash flows from financing activities: Proceeds from issuance of securitization trust debt Proceeds from issuance of subordinated renewable notes Payments on subordinated renewable notes Net proceeds from (repayments of) warehouse lines of credit Net Proceeds from (repayment of) residual interest financing debt Repayment of securitization trust debt Payment of financing costs Purchase of common stock Exercise of options and warrants Net cash provided by financing activities Increase in cash and cash equivalents Cash and restricted cash  at beginning of period Cash and restricted cash at end of period Supplemental disclosure of cash flow information: Cash paid during the period for: Interest Income taxes Beginning balance, shares Beginning balance, value Pension benefit obligation Common stock issued upon exercise of options and warrants, shares Common stock issued upon exercise of options and warrants Repurchase of common stock, shares Repurchase of common stock Stock-based compensation Ending balance, shares Ending balance, value Pay vs Performance Disclosure [Table] Executive Category [Axis] Individual [Axis] Adjustment to Compensation [Axis] Measure [Axis] Pay vs Performance Disclosure, Table Company Selected Measure Name Named Executive Officers, Footnote Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation, Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Awards Close in Time to MNPI Disclosures [Table] Award Timing MNPI Disclosure Award Timing Method Award Timing Predetermined Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Insider Trading Arrangements [Line Items] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted Adoption Date Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated Termination Date Expiration Date Arrangement Duration Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Not Adopted Accounting Policies [Abstract] Summary of Significant Accounting Policies Finance Receivables Net Finance Receivables, net Securitization Trust Debt Securitization Trust Debt Debt Disclosure [Abstract] Debt Interest Income And Interest Expense Interest Income and Interest Expense Earnings Per Share [Abstract] Earnings Per Share Income Tax Disclosure [Abstract] Income Taxes Commitments and Contingencies Disclosure [Abstract] Legal Proceedings Fair Value Disclosures [Abstract] Fair Value Measurements Segment Reporting [Abstract] Business Segment Information Subsequent Events [Abstract] Subsequent Events Description of Business Basis of Presentation Use of Estimates Finance Receivables Measured at Fair Value Other Income Leases Stock-based Compensation Purchases of Company Stock Reclassifications Financial Covenants Provision for Contingent Liabilities Recent Accounting Pronouncements Schedule of other income Schedule of supplemental balance sheet information related to leases Schedule of maturities of lease liabilities Schedule of lease cost Schedule of supplemental cash flow information related to leases Schedule of stock option activity Schedule of price distribution of stock options outstanding and exercisable Schedule of purchase of our common stock Schedule of components of finance receivables Schedule of delinquency status of finance receivables Schedule of finance receivables by annual vintage Schedule of allowance for finance credit losses Schedule of gross charge-off Schedule of securitization trust debt Schedule of debt outstanding Schedule of interest income Schedule of interest expense Schedule of earnings per share Schedule of reconciliation of the finance receivables measured at fair value on a recurring basis Schedule of finance receivables to their contractual balances Schedule of level 3 fair value measurements Schedule of delinquency status of finance receivables measured at fair value Schedule of fair values of financial assets and liabilities Other income for the period Operating Leases Operating lease right-of-use assets Less: Accumulated amortization right-of-use assets Operating lease right-of-use assets, net Operating lease liabilities Finance Leases Property and equipment, at cost Less: Accumulated depreciation Property and equipment, net Finance lease liabilities Weighted Average Discount Rate Operating lease Finance lease 2025 (excluding the six months ended June 30, 2025) 2025 (excluding the six months ended June 30, 2025) 2026 2026 2027 2027 2028 2028 2029 2029 Thereafter Thereafter Total undiscounted lease payments Total undiscounted lease payments Less amounts representing interest Less amounts representing interest Lease Liability Lease Liability Operating lease cost Finance lease cost Total lease cost Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases Operating cash flows from finance leases Financing cash flows from finance leases Options outstanding, beginning Weighted average exercise price options outstanding at the beginning of period Options granted Weighted average exercise price granted Options exercised Weighted average exercise price exercised Options forfeited Weighted average exercise price forfeited Options outstanding, ending Weighted average exercise price options outstanding at the end of period Weighted average remaining contractual term Options outstanding at the end of period Options exercisable Weighted average exercise price options exercisable at the end of period Weighted average remaining contractual term Options exercisable at the end of period Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Number of shares, outstanding Number of shares, exercisable Share Repurchase Program [Table] Share Repurchase Program [Line Items] Total stock purchases, shares Total stock purchases, average price Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Stock-based compensation costs Unrecognized stock-based compensation costs Weighted average period Intrinsic value options outstanding Intrinsic value of options exercisable Options exercised Intrinsic value of options exercised Shares available for grant Finance receivables Less: Allowance for finance credit losses Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Line Items] Total finance receivables with delinquency status Amortized cost basis of finance receivables Balance at beginning of period Provision for credit losses on finance receivables Charge-offs Recoveries Balance at end of period Charge-offs Charge-offs Finance receivables, non accrual status Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table] Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] Final Scheduled Payment Date Receivables Pledged Initial Principal Outstanding Principal Weighted Average Contractual Debt Interest Rate Securitization trust debt, payable in 2025 Securitization trust debt, payable in 2026 Securitization trust debt, payable in 2027 Securitization trust debt, payable in 2028 Securitization trust debt, payable in 2029 Securitization trust debt, payable in 2030 Securitization trust debt, payable in 2031 Debt issuance costs Restricted cash under various agreements Line of Credit Facility [Table] Line of Credit Facility [Line Items] Interest rate Interest rate date description Maturity date description Interest rate Debt Instrument, Interest Rate Terms Total debt outstanding Proceeds from residual interest financings Long-term debt Line of credit, maximum borrowing capacity Effective advance rate description Line of credit outstanding Unamortized debt issuance costs Interest on finance receivables at fair value Interest on finance receivables Other interest income Interest income Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Line Items] Interest expense Weighted average number of common shares outstanding during the period used to compute basic earnings per share Incremental common shares attributable to exercise of outstanding options and warrants Weighted average number of common shares used to compute diluted earnings per share Antidilutive shares Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Line Items] Net deferred tax liabilities Net deferred tax asset Income tax expense Effective income tax rate reconciliation, percent Maximum possible losses for legal proceedings and contingencies Balance at beginning of period Finance receivables at fair value acquired during period Payments received on finance receivables at fair value Net interest income accretion on fair value receivables Mark to fair value Balance at end of period Finance receivables contractual balance Finance receivables measured at fair value Discount rate on finance receivables Cumulative net losses on finance receivables Finance receivables Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Finance receivables, net Accrued interest receivable Warehouse lines of credit Residual interest financing Accrued interest payable Securitization trust debt Assets Liabilities [Default Label] Equity, Attributable to Parent Liabilities and Equity MarkToFinanceReceivablesMeasuredAtFairValue Revenues ReversalOfProvisionForCreditLosses Operating Expenses Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Depreciation, Depletion and Amortization Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Other Operating Assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments for (Proceeds from) Loans Receivable PaymentsReceivedOnFinanceReceivablesAtFairValue ChangeInRepossessionsInInventory Payments to Acquire Property, Plant, and Equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Repayments of Medium-Term Note RepaymentOfResidualInterestFinancingDebt Repayments of Secured Debt Payments of Financing Costs Payments for Repurchase of Common Stock Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Interest Paid, Excluding Capitalized Interest, Operating Activity Shares, Outstanding Stock Repurchased During Period, Value Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name SecuritizationTrustDebtTextBlock OperatingLeaseRightOfUseAssetAccumulatedAmortization OperatingLeaseLiability1 FinanceLeaseRightOfUseAssetAccumulatedDepreciation FinanceLeaseLiability1 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Finance Lease, Liability, to be Paid, Year One Finance Lease, Liability, to be Paid, Year Two Finance Lease, Liability, to be Paid, Year Three Finance Lease, Liability, to be Paid, Year Four FinanceLeaseLiabilityPaymentsDueAfterYearFour Finance Lease, Liability, to be Paid Lessee, Operating Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability, Undiscounted Excess Amount Finance Lease, Liability ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber1 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Financing Receivable, Covered, Allowance for Credit Loss Financing Receivable, Allowance for Credit Loss Financing Receivable, Allowance for Credit Loss, Writeoff Accounts Receivable, Allowance for Credit Loss, Recovery Debt Instrument, Interest Rate During Period Interest and Dividend Income, Operating Current Income Tax Expense (Benefit) Receivables, Fair Value Disclosure NetInterestIncomeAccretionOnFairValueReceivable Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Fair Value FinanceReceivablesFairValueDisclosure Line of Credit, Current ResidualsInterestFinancing Secured Debt