Note 3 - LOANS/LEASES RECEIVABLE - Allowance for Estimated Losses on Loans Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Balance	$ 84,376	$ 36,001
Provision	6,713	8,367
Provision.	5,993
Charged off	(713)	(2,335)
Recoveries	277	200
Balance	81,831	42,233
Accounting Standards Update 2016-13
Balance	(8,102)
Commercial Portfolio Segment [Member]
Balance	35,421	16,072
Provision		3,697
Charged off		(1,639)
Recoveries		21
Balance	36,714	18,151
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13
Balance	(35,421)
Commercial Portfolio Segment [Member] | C&I - revolving
Provision.	565
Balance	3,547
Commercial Portfolio Segment [Member] | C&I - revolving | Accounting Standards Update 2016-13
Balance	2,982
Commercial Portfolio Segment [Member] | C&I - other
Provision.	4,549
Charged off	(668)
Recoveries	156
Balance	33,167
Commercial Portfolio Segment [Member] | C&I - other | Accounting Standards Update 2016-13
Balance	29,130
Commercial Real Estate Portfolio Segment [Member]
Balance	42,161	15,379
Provision		3,816
Recoveries		74
Balance		19,269
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13
Balance	(42,161)
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member]
Provision.	451
Balance	9,147
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member] | Accounting Standards Update 2016-13
Balance	8,696
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied
Provision.	(286)
Recoveries	13
Balance	11,155
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied | Accounting Standards Update 2016-13
Balance	11,428
Construction and Land Development [Member]
Balance	12,327
Construction and Land Development [Member] | Construction Loans [Member]
Provision.	328
Balance	12,327
Construction and Land Development [Member] | Construction Loans [Member] | Accounting Standards Update 2016-13
Balance	11,999
Multi-family
Provision.	442
Balance	6,278
Multi-family | Accounting Standards Update 2016-13
Balance	5,836
Direct financing leases
Balance	1,764	1,464
Provision		394
Charged off		(600)
Recoveries		45
Balance	2,192	1,303
Direct financing leases | Accounting Standards Update 2016-13
Balance	(1,764)
Direct financing leases | C&I - other
Provision	135
Charged off	(198)
Recoveries	76
Balance	685
Residential real estate
Balance	3,732	1,948
Provision		336
Recoveries		29
Balance		2,313
Residential real estate | Accounting Standards Update 2016-13
Balance	(3,732)
1-4 family real estate
Provision.	161
Charged off	(44)
Recoveries	6
Balance	5,165
1-4 family real estate | Accounting Standards Update 2016-13
Balance	5,042
Consumer
Balance	1,298
Provision.	(217)
Charged off	(1)
Recoveries	102
Balance	1,045
Consumer | Accounting Standards Update 2016-13
Balance	$ (137)
Installment and other consumer loans
Balance		1,138
Provision		124
Charged off		(96)
Recoveries		31
Balance		$ 1,197