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Note 3 - Debt Securities (Details Textual) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Apr. 21, 2023 USD ($)
Debt Securities, Available-for-Sale, Allowance for Credit Loss		$ 0		$ 0
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss		$ 653		$ 653		$ 1,250
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions		120		120		112
Percentage of Combined Depreciation of Combined Reported Value of Aggregate Securities Portfolio		12.29%		12.29%		5.02%
Proceeds from Sale of Debt Securities, Available-for-Sale		$ 0	$ 21,970	$ 0	$ 38,979
Debt Securities, Available-for-Sale, Amortized Cost		145,622		145,622		$ 295,045
Asset Pledged as Collateral [Member]
Debt Securities, Available-for-Sale, Amortized Cost		$ 22,710		$ 22,710		$ 145,090
Surrey [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities	[1]						$ 20,934
[1] Adjustment reflects the fair value adjustment based on the Company's evaluation of the acquired investment portfolio.

X

- Definition

Represents the percentage of combined depreciation of combined reported value of aggregate securities portfolio.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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