Note 8 - Deposits and Borrowed Funds - Short-term Borrowed Funds (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Total collateral carrying value	$ 412,451	$ 416,264
Total short-term borrowed funds	144,456	137,298
Agency Residential MBS [Member]
Total collateral carrying value	16,757	17,799
Corporate Debt Securities [Member]
Total collateral carrying value	$ 395,694	$ 398,465

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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