Note 5 - Core Deposit and Customer List Intangible Assets - Changes in the Net Carrying Amount of Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Amortization	$ (915)	$ (1,051)	$ (1,829)	$ (2,103)
Core Deposits [Member]
Balance at beginning of period	8,406	11,272	8,978	11,944
Amortization	(573)	(671)	(1,145)	(1,343)
Balance at end of period	7,833	10,601	7,833	10,601
Customer Lists [Member]
Balance at beginning of period	6,498	7,980	6,840	8,360
Amortization	(342)	(380)	(684)	(760)
Balance at end of period	$ 6,156	$ 7,600	$ 6,156	$ 7,600