Note 9 - Notes Payable - Schedule of Notes Payable at Face Value and Notes Payable to Related Parties (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Revolving credit facilities		$ 1,765,020	$ 1,630,111
Amortizing debt facilities		23,078	23,195
Total notes payable before unamortized debt issuance costs and discounts	[1]	1,807,600	1,666,900
Unamortized debt issuance costs and discounts	[1]	(19,500)	(13,600)
Total notes payable outstanding, net	[1]	1,788,100	1,653,300
Other Secured Debt [Member]
Amortizing debt facilities	[1]	5,700	5,800
Phoenix [Member]
Unsecured term debt (expiring August 26, 2024) with a weighted average interest rate equal to 8.0% (3)	[1],[2]	17,400	17,400
Revolving Credit Facility Expiring November 1, 2025 [Member]
Revolving credit facilities	[1],[2],[3],[4]	45,300	44,100
Revolving Credit Facility Expiring October 30, 2024 [Member]
Revolving credit facilities	[1],[2],[4],[5],[6]	47,900	50,000
Revolving Credit Facility Expiring March 15, 2024 [Member]
Revolving credit facilities	[1],[2],[4],[5],[6],[7]	0	0
Revolving Credit Facility Expiring July 20, 2023 [Member]
Revolving credit facilities	[1],[2],[4],[5],[6]	28,900	24,600
Revolving Credit Facility Expiring December 11, 2023 [Member]
Revolving credit facilities	[1],[2],[4],[5],[6]	18,500	11,100
Revolving Credit Facility Expiring September 2023 [Member]
Revolving credit facilities	[1]	0	188,900
Revolving Credit Facility Expiring January 15, 2025 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	88,900	100,000
Revolving Credit Facility Expiring October 15, 2025 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	250,000	250,000
Revolving Credit Facility Expiring July 31, 2026 [Member]
Revolving credit facilities	[1],[2],[4],[5],[6]	35,000	25,000
Revolving Credit Facility Expiring December 15, 2026 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	300,000	300,000
Revolving Credit Facility Expiring September 1, 2025 [Member]
Revolving credit facilities	[1],[2],[4],[5],[6],[7]	0	0
Revolving Credit Facility Expiring May 15, 2026 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	300,000	300,000
Revolving Credit Facility Expiring January 15, 2029 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	250,000	250,000
Revolving Credit Facility Expiring August 5, 2024 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	0	0
Revolving Credit Facility Expiring March 15, 2028 [Member]
Revolving credit facilities	[1],[2],[5],[6],[7]	100,000	100,000
Revolving Credit Facility Expiring May 26, 2026 [Member]
Revolving credit facilities	[2],[5],[6]	20,000	0
ABS Secured by Certain Credit Card Receivables [Member]
Revolving credit facilities	[2],[5],[6],[7]	$ 300,000	$ 0

[1] As of September 30, 2023, the Prime Rate was 8.50% and the Secured Overnight Financing Rate ("SOFR") was 5.31%.

[2] See below for additional information.

[3] Loan is subject to certain affirmative covenants, including a coverage ratio, a leverage ratio and a collateral performance test, the failure of which could result in required early repayment of all or a portion of the outstanding balance by our CAR Auto Finance operations.

[4] These notes reflect modifications to either extend the maturity date, increase the loan amount or both, and are treated as accounting modifications.

[5] Loans are associated with VIEs. See Note 7, "Variable Interest Entities" for more information.

[6] Loans are subject to certain affirmative covenants tied to default rates and other performance metrics the failure of which could result in required early repayment of the remaining unamortized balances of the notes.

[7] Creditors do not have recourse against the general assets of the Company but only to the collateral within the VIEs.