Note 4 - Loans/Leases Receivable - Remaining Discount on Acquired loans (Details) - Performing Loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Balance at the beginning of the period	$ (6,088)	$ (1,533)	$ (3,139)
Discount added at acquisition		(13,381)
Accretion recognized	2,197	8,826	1,606
Balance at the end of the period	$ (3,891)	$ (6,088)	$ (1,533)