Note 7 - Loans and Allowance for Credit Losses on Loans - Summary of Loans, Net of Unearned Fees (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable, Net of Deferred Income	$ 3,681,612	$ 3,082,818
Less allowance for credit losses - loans	48,090	38,899	$ 32,298
Loans, net	3,633,522	3,043,919
Commercial Loan [Member]
Loans and Leases Receivable, Net of Deferred Income	503,842	501,844
Commercial Real Estate Owner Occupied Professional, Medical [Member]
Loans and Leases Receivable, Net of Deferred Income	156,941	120,872
Less allowance for credit losses - loans	1,207	966	1,092
Commercial Real Estate Owner Occupied, Retail [Member]
Loans and Leases Receivable, Net of Deferred Income	170,391	188,196
Less allowance for credit losses - loans	543	1,176	1,362
Commercial Real Estate Owner Occupied, Other [Member]
Loans and Leases Receivable, Net of Deferred Income	217,776	157,982
Less allowance for credit losses - loans	601	426	575
Commercial Real Estate Nonowner Occupied Hotels and Motels [Member]
Loans and Leases Receivable, Net of Deferred Income	215,642	141,042
Less allowance for credit losses - loans	3,124	1,203
Commercial Real Estate Nonowner Occupied Mini Storage [Member]
Loans and Leases Receivable, Net of Deferred Income	68,517	51,109
Less allowance for credit losses - loans	79	82	133
Multifamily [Member]
Loans and Leases Receivable, Net of Deferred Income	302,298	272,705
Less allowance for credit losses - loans	3,144	2,907	1,821
Commercial Real Estate Nonowner Occupied, Retail [Member]
Loans and Leases Receivable, Net of Deferred Income	254,246	192,270
Less allowance for credit losses - loans	2,518	1,362	1,074
Commercial Real Estate Nonowner Occupied, Other [Member]
Loans and Leases Receivable, Net of Deferred Income	413,634	347,242
Less allowance for credit losses - loans	2,747	2,452	1,820
Land and Land Improvements [Member]
Loans and Leases Receivable, Net of Deferred Income	145,258	106,362
Less allowance for credit losses - loans	5,576	3,482	3,468
Construction Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	374,026	282,935
Less allowance for credit losses - loans	14,283	11,138	6,346
Residential 1-4 Family Real Estate, Personal Residence [Member]
Loans and Leases Receivable, Net of Deferred Income	362,733	265,326
Less allowance for credit losses - loans	3,317	2,939	2,765
Residential 1-4 Family Real Estate, Rental Small Loan [Member]
Loans and Leases Receivable, Net of Deferred Income	142,665	121,548
Less allowance for credit losses - loans	1,871	1,907	2,834
Residential 1-4 Family Real Estate, Rental Large Loan [Member]
Loans and Leases Receivable, Net of Deferred Income	116,614	92,103
Less allowance for credit losses - loans	2,846	2,668	2,374
Home Equity Loan [Member]
Loans and Leases Receivable, Net of Deferred Income	81,126	71,986
Less allowance for credit losses - loans	1,430	705
Mortgage Warehouse Lines [Member]
Loans and Leases Receivable, Net of Deferred Income	108,848	130,390
Less allowance for credit losses - loans	0	0	0
Consumer Portfolio Segment [Member]
Loans and Leases Receivable, Net of Deferred Income	43,756	35,372
Less allowance for credit losses - loans	205	174	163
Credit Card Receivable [Member]
Loans and Leases Receivable, Net of Deferred Income	2,286	2,182
Less allowance for credit losses - loans	26	17	17
Bank Overdrafts [Member]
Loans and Leases Receivable, Net of Deferred Income	1,013	1,352
Less allowance for credit losses - loans	$ 254	$ 354	$ 207