Note 4 - Loans/Leases Receivable - Amortized Cost Basis of Collateral (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020	Dec. 31, 2019
Less allowance	$ 87,706	$ 78,721	$ 84,376	$ 84,376	$ 36,001
Collateral Dependent Loans
Less allowance	74,826	58,677
Commercial Assets
Less allowance	4,870	3,201
Owner Occupied Commercial Real Estate Loans [Member]
Less allowance	25,024
Non Owner-Occupied Real Estate
Less allowance	33,437	36,185
Owner Occupied Real Estate
Less allowance	3,818	8,859
Securities
Less allowance	108	134
Equipment
Less allowance	7,394	9,998
Other
Less allowance	175	300
Owner Occupied Commercial Real Estate Loans [Member] | Collateral Dependent Loans
Less allowance	24,880
Owner Occupied Commercial Real Estate Loans [Member] | Owner Occupied Commercial Real Estate Loans [Member]
Less allowance	24,814
Owner Occupied Commercial Real Estate Loans [Member] | Owner Occupied Real Estate
Less allowance	66
CRE - non owner occupied | Collateral Dependent Loans
Less allowance	21,588
CRE - non owner occupied | Non Owner-Occupied Real Estate
Less allowance	21,588
Commercial Portfolio Segment [Member]
Less allowance			35,421	35,421	16,072
Commercial Portfolio Segment [Member] | Collateral Dependent Loans
Less allowance	12,744	16,094
Commercial Portfolio Segment [Member] | Commercial Assets
Less allowance	4,870	3,201
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member]
Less allowance	210
Commercial Portfolio Segment [Member] | Owner Occupied Real Estate
Less allowance		2,471
Commercial Portfolio Segment [Member] | Securities
Less allowance	108	134
Commercial Portfolio Segment [Member] | Equipment
Less allowance	7,394	9,997
Commercial Portfolio Segment [Member] | Other
Less allowance	162	291
Commercial Portfolio Segment [Member] | C&I - revolving
Less allowance	4,457	3,907
Commercial Portfolio Segment [Member] | C&I - revolving | Collateral Dependent Loans
Less allowance	3,386	2,638
Commercial Portfolio Segment [Member] | C&I - revolving | Commercial Assets
Less allowance	3,281	2,518
Commercial Portfolio Segment [Member] | C&I - revolving | Equipment
Less allowance	105	120
Commercial Portfolio Segment [Member] | C&I - other
Less allowance	27,753	25,982
Commercial Portfolio Segment [Member] | C&I - other | Collateral Dependent Loans
Less allowance	9,358	13,456
Commercial Portfolio Segment [Member] | C&I - other | Commercial Assets
Less allowance	1,589	683
Commercial Portfolio Segment [Member] | C&I - other | Owner Occupied Commercial Real Estate Loans [Member]
Less allowance	210
Commercial Portfolio Segment [Member] | C&I - other | Owner Occupied Real Estate
Less allowance		2,471
Commercial Portfolio Segment [Member] | C&I - other | Securities
Less allowance	108	134
Commercial Portfolio Segment [Member] | C&I - other | Equipment
Less allowance	7,289	9,877
Commercial Portfolio Segment [Member] | C&I - other | Other
Less allowance	162	291
Commercial Real Estate Portfolio Segment [Member]
Less allowance			42,161	42,161	15,379
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member]
Less allowance	9,965	8,501
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member] | Collateral Dependent Loans
Less allowance		3,841
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member] | Owner Occupied Real Estate
Less allowance		3,841
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied
Less allowance	11,749	8,549
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied | Collateral Dependent Loans
Less allowance		25,006
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied | Non Owner-Occupied Real Estate
Less allowance		25,006
Construction and Land Development [Member]
Less allowance	14,262
Construction and Land Development [Member] | Collateral Dependent Loans
Less allowance	10,394
Construction and Land Development [Member] | Non Owner-Occupied Real Estate
Less allowance	10,394
Construction and Land Development [Member] | Construction Loans [Member]
Less allowance	14,262	16,972
Construction and Land Development [Member] | Construction Loans [Member] | Collateral Dependent Loans
Less allowance		10,436
Construction and Land Development [Member] | Construction Loans [Member] | Non Owner-Occupied Real Estate
Less allowance		10,362
Construction and Land Development [Member] | Construction Loans [Member] | Owner Occupied Real Estate
Less allowance		74
Direct financing leases
Less allowance	970	1,546	1,764	1,764	$ 1,464
Direct financing leases | C&I - other
Less allowance	1,500			1,800
Direct financing leases | C&I - other | Commercial Assets
Less allowance	135	847
Multi-family
Less allowance	13,186	9,339
Multi-family | Collateral Dependent Loans
Less allowance	1,302
Multi-family | Non Owner-Occupied Real Estate
Less allowance	1,302
1-4 family real estate
Less allowance	4,963	4,541
1-4 family real estate | Collateral Dependent Loans
Less allowance	3,177	2,950
1-4 family real estate | Non Owner-Occupied Real Estate
Less allowance	33	817
1-4 family real estate | Owner Occupied Real Estate
Less allowance	3,144	2,133
Consumer
Less allowance	1,371	930	$ 1,298	$ 1,298
Consumer | Collateral Dependent Loans
Less allowance	741	350
Consumer | Non Owner-Occupied Real Estate
Less allowance	120
Consumer | Owner Occupied Real Estate
Less allowance	608	340
Consumer | Equipment
Less allowance		1
Consumer | Other
Less allowance	$ 13	$ 9