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Note 3 - Loans and Allowance for Credit Losses on Loans - Aging of the Recorded Investment in Loans (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Loans	[1]	$ 5,617,084	$ 5,205,918
Financial Asset, Not Past Due [Member]
Loans		5,600,975	5,189,055
Financial Asset, 30 to 59 Days Past Due [Member]
Loans		7,737	7,820
Financial Asset, 60 to 89 Days Past Due [Member]
Loans		4,896	5,225
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		3,476	3,818
Financial Asset, Past Due [Member]
Loans		16,109	16,863
Home Equity Line of Credit [Member]
Loans		203,184	200,725
Home Equity Line of Credit [Member] | Financial Asset, Not Past Due [Member]
Loans		202,697	200,036
Home Equity Line of Credit [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		183	566
Home Equity Line of Credit [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		11	40
Home Equity Line of Credit [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		293	83
Home Equity Line of Credit [Member] | Financial Asset, Past Due [Member]
Loans		487	689
Credit Card Receivable [Member]
Loans		24,055	20,413
Commercial Real Estate Portfolio Segment [Member]
Loans		2,453,737	2,231,975
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans		2,448,439	2,224,747
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		1,484	3,629
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		3,235	3,052
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		579	547
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans		5,298	7,228
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans		1,508,615	1,397,346
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans		1,504,918	1,393,016
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		114	3,404
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		3,235	460
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		348	466
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Past Due [Member]
Loans		3,697	4,330
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans		945,122	834,629
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans		943,521	831,731
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		1,370	225
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		0	2,592
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		231	81
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Past Due [Member]
Loans		1,601	2,898
Commercial and Industrial Portfolio Segment [Member] | Term, Excluding PPP [Member]
Loans		826,201	765,163
Commercial and Industrial Portfolio Segment [Member] | Term, Excluding PPP [Member] | Financial Asset, Not Past Due [Member]
Loans		824,236	763,793
Commercial and Industrial Portfolio Segment [Member] | Term, Excluding PPP [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		456	157
Commercial and Industrial Portfolio Segment [Member] | Term, Excluding PPP [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		803	292
Commercial and Industrial Portfolio Segment [Member] | Term, Excluding PPP [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		706	921
Commercial and Industrial Portfolio Segment [Member] | Term, Excluding PPP [Member] | Financial Asset, Past Due [Member]
Loans		1,965	1,370
Commercial and Industrial Portfolio Segment [Member] | Term [Member]
Loans		826,201
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans		4,827	18,593
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Financial Asset, Not Past Due [Member] | Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans		4,827	17,719
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans		0	748
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans		0	77
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans		0	49
Commercial and Industrial Portfolio Segment [Member] | Term [Member] | Financial Asset, Past Due [Member] | Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member]
Loans		0	874
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member]
Loans		419,999	465,813
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Financial Asset, Not Past Due [Member]
Loans		419,734	464,494
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		207	389
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		0	300
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		58	630
Commercial and Industrial Portfolio Segment [Member] | Lines of Credit [Member] | Financial Asset, Past Due [Member]
Loans		265	1,319
Total Commercial and Industrial Portfolio Segment [Member]
Loans		1,251,027	1,249,569
Total Commercial and Industrial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans		1,248,797	1,246,006
Total Commercial and Industrial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		663	1,294
Total Commercial and Industrial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		803	669
Total Commercial and Industrial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		764	1,600
Total Commercial and Industrial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans		2,230	3,563
Residential Real Estate Portfolio Segment [Member]
Loans		1,046,548	904,763
Residential Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans		1,039,205	900,079
Residential Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		4,995	1,986
Residential Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		709	1,305
Residential Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		1,639	1,393
Residential Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans		7,343	4,684
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Loans		350,386	313,248
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans		349,772	312,249
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		377	373
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		0	331
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		237	295
Residential Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Past Due [Member]
Loans		614	999
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans		696,162	591,515
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Loans		689,433	587,830
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		4,618	1,613
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		709	974
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		1,402	1,098
Residential Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Past Due [Member]
Loans		6,729	3,685
Construction and Development [Member]
Loans		480,120	445,690
Construction and Development [Member] | Financial Asset, Not Past Due [Member]
Loans		480,059	445,618
Construction and Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		61	0
Construction and Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		0	72
Construction and Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		0	0
Construction and Development [Member] | Financial Asset, Past Due [Member]
Loans		61	72
Consumer Portfolio Segment [Member]
Loans		143,703	139,461
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans		143,019	138,846
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		348	342
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		136	85
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		200	188
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans		684	615
Finance Leases Portfolio Segment [Member]
Loans		14,710	13,322
Finance Leases Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans		14,710	13,322
Finance Leases Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		0	0
Finance Leases Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		0	0
Finance Leases Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		0	0
Finance Leases Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans		0	0
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans		24,055	20,413
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Not Past Due [Member]
Loans		24,049	20,401
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans		3	3
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans		2	2
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans		1	7
Commercial Portfolio Segment [Member] | Credit Card Receivable [Member] | Financial Asset, Past Due [Member]
Loans		$ 6	$ 12
[1] Total loans are presented inclusive of premiums, discounts and net loan origination fees and costs.

X

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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