Note 6 - Loans and Allowance for Credit Losses on Loans (ACLL) - Impaired Financing Receivables - Impaired Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2024		Dec. 31, 2023		Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Loans Individually Evaluated	$ 35,654		$ 32,687
Financing Receivable, Loans Collectively Evaluated	3,661,388	[1]	3,648,925	[2]
Loans, net of unearned fees	3,697,042		3,681,612	[3]
Allowance for Credit Losses, Loans Individually Evaluated	5,161		2,360
Allowance for Credit Losses, Loans Collectively Evaluated	44,071		45,730
Allowance for Credit Losses, Total	49,232		48,090	[3]	$ 40,836	$ 38,899
Commercial Loans [Member]
Financing Receivable, Loans Individually Evaluated	5,996		92
Financing Receivable, Loans Collectively Evaluated	527,218	[1]	503,750	[2]
Loans, net of unearned fees	533,214		503,842
Allowance for Credit Losses, Loans Individually Evaluated	2,614		0
Allowance for Credit Losses, Loans Collectively Evaluated	5,191		4,319
Allowance for Credit Losses, Total	7,805		4,319		4,680	4,941
Commercial Real Estate Owner Occupied Professional, Medical [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	167,386	[1]	156,941	[2]
Loans, net of unearned fees	167,386		156,941
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	1,271		1,207
Allowance for Credit Losses, Total	1,271		1,207		871	966
Commercial Real Estate Owner Occupied, Retail [Member]
Financing Receivable, Loans Individually Evaluated	566		572
Financing Receivable, Loans Collectively Evaluated	178,428	[1]	169,819	[2]
Loans, net of unearned fees	178,994		170,391
Allowance for Credit Losses, Loans Individually Evaluated	22		23
Allowance for Credit Losses, Loans Collectively Evaluated	434		520
Allowance for Credit Losses, Total	456		543		1,125	1,176
Commercial Real Estate Owner Occupied, Other [Member]
Financing Receivable, Loans Individually Evaluated	1,250		0
Financing Receivable, Loans Collectively Evaluated	221,777	[1]	217,776	[2]
Loans, net of unearned fees	223,027		217,776
Allowance for Credit Losses, Loans Individually Evaluated	167		0
Allowance for Credit Losses, Loans Collectively Evaluated	995		601
Allowance for Credit Losses, Total	1,162		601		460	426
Commercial Real Estate Nonowner Occupied Hotels and Motels [Member]
Financing Receivable, Loans Individually Evaluated	17,041		17,083
Financing Receivable, Loans Collectively Evaluated	199,129	[1]	198,559	[2]
Loans, net of unearned fees	216,170		215,642
Allowance for Credit Losses, Loans Individually Evaluated	1,435		1,456
Allowance for Credit Losses, Loans Collectively Evaluated	2,278		1,668
Allowance for Credit Losses, Total	3,713		3,124
Commercial Real Estate Nonowner Occupied Mini Storage [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	80,838	[1]	68,517	[2]
Loans, net of unearned fees	80,838		68,517
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	186		79
Allowance for Credit Losses, Total	186		79		90	82
Multifamily [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	309,190	[1]	302,298	[2]
Loans, net of unearned fees	309,190		302,298
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	3,115		3,144
Allowance for Credit Losses, Total	3,115		3,144		3,303	2,907
Commercial Real Estate Nonowner Occupied, Retail [Member]
Financing Receivable, Loans Individually Evaluated	3,680		3,906
Financing Receivable, Loans Collectively Evaluated	243,429	[1]	250,340	[2]
Loans, net of unearned fees	247,109		254,246
Allowance for Credit Losses, Loans Individually Evaluated	97		103
Allowance for Credit Losses, Loans Collectively Evaluated	2,550		2,415
Allowance for Credit Losses, Total	2,647		2,518		1,941	1,362
Commercial Real Estate Nonowner Occupied, Other [Member]
Financing Receivable, Loans Individually Evaluated	4,580		7,823
Financing Receivable, Loans Collectively Evaluated	423,061	[1]	405,811	[2]
Loans, net of unearned fees	427,641		413,634
Allowance for Credit Losses, Loans Individually Evaluated	211		214
Allowance for Credit Losses, Loans Collectively Evaluated	2,699		2,533
Allowance for Credit Losses, Total	2,910		2,747		2,410	2,452
Land and Land Improvements [Member]
Financing Receivable, Loans Individually Evaluated	676		708
Financing Receivable, Loans Collectively Evaluated	104,749	[1]	144,550	[2]
Loans, net of unearned fees	105,425		145,258
Allowance for Credit Losses, Loans Individually Evaluated	428		460
Allowance for Credit Losses, Loans Collectively Evaluated	3,157		5,116
Allowance for Credit Losses, Total	3,585		5,576		3,970	3,482
Construction Loans [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	341,727	[1]	374,026	[2]
Loans, net of unearned fees	341,727		374,026
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	12,647		14,283
Allowance for Credit Losses, Total	12,647		14,283		11,759	11,138
Residential 1-4 Family Real Estate, Personal Residence [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	362,942	[1]	362,733	[2]
Loans, net of unearned fees	362,942		362,733
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	3,031		3,317
Allowance for Credit Losses, Total	3,031		3,317		2,519	2,939
Residential 1-4 Family Real Estate, Rental Small Loan [Member]
Financing Receivable, Loans Individually Evaluated	1,237		1,247
Financing Receivable, Loans Collectively Evaluated	143,420	[1]	141,418	[2]
Loans, net of unearned fees	144,657		142,665
Allowance for Credit Losses, Loans Individually Evaluated	187		104
Allowance for Credit Losses, Loans Collectively Evaluated	1,688		1,767
Allowance for Credit Losses, Total	1,875		1,871		1,865	1,907
Residential 1-4 Family Real Estate, Rental Large Loan [Member]
Financing Receivable, Loans Individually Evaluated	628		1,256
Financing Receivable, Loans Collectively Evaluated	122,504	[1]	115,358	[2]
Loans, net of unearned fees	123,132		116,614
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	2,887		2,846
Allowance for Credit Losses, Total	2,887		2,846		3,833	2,668
Home Equity Loan [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	80,027	[1]	81,126	[2]
Loans, net of unearned fees	80,027		81,126
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	1,368		1,430
Allowance for Credit Losses, Total	1,368		1,430
Mortgage Warehouse Lines [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	108,858	[1]	108,848	[2]
Loans, net of unearned fees	108,858		108,848
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	0		0
Allowance for Credit Losses, Total	0		0		0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	43,107	[1]	43,756	[2]
Loans, net of unearned fees	43,107		43,756
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	202		205
Allowance for Credit Losses, Total	202		205		178	174
Credit Card Receivable [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	2,251	[1]	2,286	[2]
Loans, net of unearned fees	2,251		2,286
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	24		26
Allowance for Credit Losses, Total	24		26		17	17
Bank Overdrafts [Member]
Financing Receivable, Loans Individually Evaluated	0		0
Financing Receivable, Loans Collectively Evaluated	1,347	[1]	1,013	[2]
Loans, net of unearned fees	1,347		1,013
Allowance for Credit Losses, Loans Individually Evaluated	0		0
Allowance for Credit Losses, Loans Collectively Evaluated	348		254
Allowance for Credit Losses, Total	$ 348		$ 254		$ 269	$ 354

[1] Included in the loans collectively evaluated are $9.8 million in fully guaranteed or cash secured loans, which are excluded from the pools collectively evaluated and carry no allowance.

[2] Included in the loans collectively evaluated are $9.2 million in fully guaranteed or cash secured loans, which are excluded from the pools collectively evaluated and carry no allowance.

[3] Derived from audited consolidated financial statements.