Note 4 - Loans, Allowance for Credit Losses and Other Real Estate Owned - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Balance at beginning of period	$ 15,879	$ 19,509	$ 16,867	$ 20,284	$ 20,284
(Reversal) provision	0	0	300	(1,550)
Chargeoffs	(1,541)	(1,661)	(3,544)	(3,700)
Recoveries	1,614	632	2,329	3,446
Total allowance for credit losses	15,952	18,480	15,952	18,480	16,867
Commercial Portfolio Segment [Member]
Balance at beginning of period	3,765	5,746	4,216	6,138	6,138
(Reversal) provision	148	(1,001)	(315)	(3,410)
Chargeoffs	(28)	0	(28)	(148)	(410)
Recoveries	11	19	23	2,184
Total allowance for credit losses	3,896	4,764	3,896	4,764	4,216
Commercial Real Estate Portfolio Segment [Member]
Balance at beginning of period	5,758	6,258	5,925	5,888	5,888
(Reversal) provision	32	(190)	(180)	165
Chargeoffs	0	0	0		(45)
Recoveries	132	15	177	30
Total allowance for credit losses	5,922	6,083	5,922	6,083	5,925
Construction Portfolio Segment [Member]
Balance at beginning of period	242	200	245	150	150
(Reversal) provision	1	2	(2)	52
Chargeoffs	0	0	0		0
Recoveries	0	0	0
Total allowance for credit losses	243	202	243	202	245
Residential Portfolio Segment [Member]
Balance at beginning of period	22	38	26	32	32
(Reversal) provision	2	(6)	(2)	0
Chargeoffs	0	0	0		0
Recoveries	0	0	0
Total allowance for credit losses	24	32	24	32	26
Consumer Portfolio Segment [Member]
Balance at beginning of period	6,092	7,267	6,455	8,076	8,076
(Reversal) provision	(183)	1,195	799	1,643
Chargeoffs	(1,513)	(1,661)	(3,516)	(3,552)	(7,499)
Recoveries	1,471	598	2,129	1,232
Total allowance for credit losses	$ 5,867	$ 7,399	$ 5,867	$ 7,399	$ 6,455