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Note 10 - Commitments and Contingencies (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)
Assets	$ 2,787,215	$ 2,706,445	$ 2,375,295
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	$ 17,700
Unfunded Individual Credit Commitment [Member]
Other Commitment	2,900,000
Unfunded Outstanding Floor-Plan Financing Commitment [Member]
Other Commitment	10,900
Credit Protection Program [Member]
Loss Contingency, Estimate of Possible Loss	$ 78,600

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In reference to the number of major customers.

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