Note 8 - Deposits and Borrowed Funds - Short-term Borrowed Funds (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Total collateral carrying value	$ 391,740	$ 434,205
Total short-term borrowed funds	101,210	120,322
Agency Residential MBS [Member]
Total collateral carrying value	19,668	21,284
Corporate Debt Securities [Member]
Total collateral carrying value	$ 372,072	$ 412,921

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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