Note 4 - Loans/Leases Receivable - Allowance for Estimated Losses on Loans Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Balance	$ 78,721	$ 84,376	$ 36,001
Initial ACL recorded for PCD loans	5,902
Provision for credit losses	9,636	5,702	55,704
Charged off	(7,525)	(4,538)	(8,383)
Recoveries	972	1,283	1,054
Balance	87,706	78,721	84,376
Accounting Standards Update 2016-13
Balance	(8,102)
Balance		(8,102)
Commercial Portfolio Segment [Member]
Balance		35,421	16,072
Provision for credit losses			22,899
Charged off			(4,199)
Recoveries			649
Balance			35,421
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13
Balance	(35,421)
Balance		(35,421)
Commercial Portfolio Segment [Member] | C&I - revolving
Balance	3,907
Initial ACL recorded for PCD loans	600
Provision for credit losses	(50)	925
Balance	4,457	3,907
Commercial Portfolio Segment [Member] | C&I - revolving | Accounting Standards Update 2016-13
Balance	2,982
Balance		2,982
Commercial Portfolio Segment [Member] | C&I - other
Balance	25,982
Initial ACL recorded for PCD loans	7
Provision for credit losses	7,364	(1,451)
Charged off	(6,417)	(2,287)
Recoveries	817	590
Balance	27,753	25,982
Commercial Portfolio Segment [Member] | C&I - other | Accounting Standards Update 2016-13
Balance	29,130
Balance		29,130
Commercial Real Estate Portfolio Segment [Member]
Balance		42,161	15,379
Provision for credit losses			28,671
Charged off			(2,071)
Recoveries			182
Balance			42,161
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13
Balance	(42,161)
Balance		(42,161)
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member]
Balance	8,501
Initial ACL recorded for PCD loans	2,481
Provision for credit losses	(1,023)	(198)
Recoveries	6	3
Balance	9,965	8,501
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member] | Accounting Standards Update 2016-13
Balance	8,696
Balance		8,696
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied
Balance	8,549
Initial ACL recorded for PCD loans	1,076
Provision for credit losses	2,220	(1,088)
Charged off	(193)	(1,876)
Recoveries	97	85
Balance	11,749	8,549
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied | Accounting Standards Update 2016-13
Balance	11,428
Balance		11,428
Construction and Land Development [Member]
Balance	14,262
Construction and Land Development [Member] | Construction Loans [Member]
Balance	16,972
Initial ACL recorded for PCD loans	1,100
Provision for credit losses	(2,981)	4,973
Charged off	(829)
Balance	14,262	16,972
Construction and Land Development [Member] | Construction Loans [Member] | Accounting Standards Update 2016-13
Balance	11,999
Balance		11,999
Multi-family
Balance	9,339
Initial ACL recorded for PCD loans	481
Provision for credit losses	3,323	3,653
Charged off		(150)
Recoveries	43
Balance	13,186	9,339
Multi-family | Accounting Standards Update 2016-13
Balance	5,836
Balance		5,836
Direct financing leases
Balance	1,546	1,764	1,464
Provision for credit losses			2,148
Charged off			(1,993)
Recoveries			145
Balance	970	1,546	1,764
Direct financing leases | Accounting Standards Update 2016-13
Balance	(1,764)
Balance		(1,764)
Direct financing leases | C&I - other
Balance		1,800
Provision for credit losses	(269)
Charged off	(1,100)
Recoveries	273
Balance	1,500		1,800
Direct financing leases | C&I - other | Accounting Standards Update 2016-13
Balance	1,500	685
Provision for credit losses		703
Charged off		458
Recoveries		258
Balance		1,500	685
Residential real estate
Balance		3,732	1,948
Provision for credit losses			1,755
Recoveries			29
Balance			3,732
Residential real estate | Accounting Standards Update 2016-13
Balance	(3,732)
Balance		(3,732)
1-4 family real estate
Balance	4,541
Initial ACL recorded for PCD loans	137
Provision for credit losses	306	(603)
Charged off	(21)	(179)
Recoveries		281
Balance	4,963	4,541
1-4 family real estate | Accounting Standards Update 2016-13
Balance	5,042
Balance		5,042
Consumer
Balance	930	1,298
Initial ACL recorded for PCD loans	20
Provision for credit losses	477	(509)
Charged off	(65)	(46)
Recoveries	9	324
Balance	1,371	930	1,298
Consumer | Accounting Standards Update 2016-13
Balance	$ (137)
Balance		(137)
Installment and other consumer loans
Balance		$ 1,298	1,138
Provision for credit losses			231
Charged off			(120)
Recoveries			49
Balance			$ 1,298