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Note 10 - Commitments and Contingencies (Details Textual) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jun. 30, 2023 USD ($)
Assets | $ 2,837,261 | $ 2,706,445 | $ 2,454,702
Customer Concentration Risk [Member] | Private Label Credit Receivable [Member] |  |  |
Number of Major Customers | 5 |  |
Customer Concentration Risk [Member] | Private Label Credit Receivable [Member] | Five Largest Retail Partners [Member] |  |  |
Concentration Risk, Percentage | 70.00% |  |
Asset Pledged as Collateral [Member] | Contractual Obligations [Member] |  |  |
Assets | $ 23,200 |  |
Unfunded Individual Credit Commitment [Member] |  |  |
Other Commitment | 3,400,000 |  |
Unfunded Outstanding Floor-Plan Financing Commitment [Member] |  |  |
Other Commitment | 11,400 |  |
Credit Protection Program [Member] |  |  |
Loss Contingency, Estimate of Possible Loss | $ 80,700 |  |

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