Note 7 - Loans and Allowance for Credit Losses on Loans - Allowance for Credit Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss	$ 38,899	$ 32,298
Financing Receivable, Provision for Credit Losses loans	11,455	7,278
Financing Receivable, Adjustment	1,495
Financing Receivable, Charge offs	(4,844)	(1,439)
Financing Receivable, Recoveries	1,085	762
Financing Receivable, Allowance for Credit Loss	48,090	38,899
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Loss	4,941	3,218
Financing Receivable, Provision for Credit Losses loans	(570)	1,774
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	(62)	(237)
Financing Receivable, Recoveries	10	186
Financing Receivable, Allowance for Credit Loss	4,319	4,941
Commercial Real Estate Owner Occupied Professional, Medical [Member]
Financing Receivable, Allowance for Credit Loss	966	1,092
Financing Receivable, Provision for Credit Losses loans	216	(126)
Financing Receivable, Adjustment	28
Financing Receivable, Charge offs	(3)	0
Financing Receivable, Recoveries	0	0
Financing Receivable, Allowance for Credit Loss	1,207	966
Commercial Real Estate Owner Occupied, Retail [Member]
Financing Receivable, Allowance for Credit Loss	1,176	1,362
Financing Receivable, Provision for Credit Losses loans	(716)	(79)
Financing Receivable, Adjustment	82
Financing Receivable, Charge offs	0	(108)
Financing Receivable, Recoveries	1	1
Financing Receivable, Allowance for Credit Loss	543	1,176
Commercial Real Estate Owner Occupied, Other [Member]
Financing Receivable, Allowance for Credit Loss	426	575
Financing Receivable, Provision for Credit Losses loans	(181)	(88)
Financing Receivable, Adjustment	384
Financing Receivable, Charge offs	(28)	(61)
Financing Receivable, Recoveries	0	0
Financing Receivable, Allowance for Credit Loss	601	426
Commercial Real Estate Nonowner Occupied Hotels and Motel [Member]
Financing Receivable, Allowance for Credit Loss	1,203	2,532
Financing Receivable, Provision for Credit Losses loans	1,921	(1,329)
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	0	0
Financing Receivable, Recoveries	0	0
Financing Receivable, Allowance for Credit Loss	3,124	1,203
Commercial Real Estate Nonowner Occupied Mini Storage [Member]
Financing Receivable, Allowance for Credit Loss	82	133
Financing Receivable, Provision for Credit Losses loans	(3)	(51)
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	0	0
Financing Receivable, Recoveries	0	0
Financing Receivable, Allowance for Credit Loss	79	82
Multifamily [Member]
Financing Receivable, Allowance for Credit Loss	2,907	1,821
Financing Receivable, Provision for Credit Losses loans	288	1,080
Financing Receivable, Adjustment	1
Financing Receivable, Charge offs	(57)	0
Financing Receivable, Recoveries	5	6
Financing Receivable, Allowance for Credit Loss	3,144	2,907
Commercial Real Estate Nonowner Occupied, Retail [Member]
Financing Receivable, Allowance for Credit Loss	1,362	1,074
Financing Receivable, Provision for Credit Losses loans	4,601	228
Financing Receivable, Adjustment	99
Financing Receivable, Charge offs	(3,658)	0
Financing Receivable, Recoveries	114	60
Financing Receivable, Allowance for Credit Loss	2,518	1,362
Commercial Real Estate Nonowner Occupied, Other [Member]
Financing Receivable, Allowance for Credit Loss	2,452	1,820
Financing Receivable, Provision for Credit Losses loans	(349)	593
Financing Receivable, Adjustment	632
Financing Receivable, Charge offs	0	0
Financing Receivable, Recoveries	12	39
Financing Receivable, Allowance for Credit Loss	2,747	2,452
Land and Land Improvements [Member]
Financing Receivable, Allowance for Credit Loss	3,482	3,468
Financing Receivable, Provision for Credit Losses loans	2,085	76
Financing Receivable, Adjustment	1
Financing Receivable, Charge offs	0	(71)
Financing Receivable, Recoveries	8	9
Financing Receivable, Allowance for Credit Loss	5,576	3,482
Construction Loans [Member]
Financing Receivable, Allowance for Credit Loss	11,138	6,346
Financing Receivable, Provision for Credit Losses loans	3,145	4,792
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	0	0
Financing Receivable, Recoveries	0	0
Financing Receivable, Allowance for Credit Loss	14,283	11,138
Residential 1-4 Family Real Estate, Personal Residence [Member]
Financing Receivable, Allowance for Credit Loss	2,939	2,765
Financing Receivable, Provision for Credit Losses loans	57	230
Financing Receivable, Adjustment	69
Financing Receivable, Charge offs	(89)	(112)
Financing Receivable, Recoveries	341	56
Financing Receivable, Allowance for Credit Loss	3,317	2,939
Residential 1-4 Family Real Estate, Rental Small Loan [Member]
Financing Receivable, Allowance for Credit Loss	1,907	2,834
Financing Receivable, Provision for Credit Losses loans	(135)	(848)
Financing Receivable, Adjustment	68
Financing Receivable, Charge offs	0	(211)
Financing Receivable, Recoveries	31	132
Financing Receivable, Allowance for Credit Loss	1,871	1,907
Residential 1-4 Family Real Estate, Rental Large Loan [Member]
Financing Receivable, Allowance for Credit Loss	2,668	2,374
Financing Receivable, Provision for Credit Losses loans	(112)	294
Financing Receivable, Adjustment	1
Financing Receivable, Charge offs	0	0
Financing Receivable, Recoveries	289	0
Financing Receivable, Allowance for Credit Loss	2,846	2,668
Home Equity Line of Credit [Member]
Financing Receivable, Allowance for Credit Loss	705	497
Financing Receivable, Provision for Credit Losses loans	543	179
Financing Receivable, Adjustment	130
Financing Receivable, Charge offs	0	(8)
Financing Receivable, Recoveries	52	37
Financing Receivable, Allowance for Credit Loss	1,430	705
Mortgage Warehouse Lines [Member]
Financing Receivable, Allowance for Credit Loss	0	0
Financing Receivable, Provision for Credit Losses loans	0	0
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	0	0
Financing Receivable, Recoveries	0	0
Financing Receivable, Allowance for Credit Loss	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss	174	163
Financing Receivable, Provision for Credit Losses loans	251	70
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	(351)	(174)
Financing Receivable, Recoveries	131	115
Financing Receivable, Allowance for Credit Loss	205	174
Credit Card Receivable [Member]
Financing Receivable, Allowance for Credit Loss	17	17
Financing Receivable, Provision for Credit Losses loans	93	7
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	(93)	(24)
Financing Receivable, Recoveries	9	17
Financing Receivable, Allowance for Credit Loss	26	17
Bank Overdrafts [Member]
Financing Receivable, Allowance for Credit Loss	354	207
Financing Receivable, Provision for Credit Losses loans	321	476
Financing Receivable, Adjustment	0
Financing Receivable, Charge offs	(503)	(433)
Financing Receivable, Recoveries	82	104
Financing Receivable, Allowance for Credit Loss	$ 254	$ 354