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Note 3 - LOANS LEASES RECEIVABLE - Composition of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Loans and leases receivable	$ 4,827,868	$ 4,680,132
Gross loans/leases receivable	4,827,868	4,680,132
Less allowance	(74,786)	(78,721)	$ (81,831)	$ (84,376)
Net loans/leases receivable	4,753,082	4,601,411
C&I - revolving
Loans and leases receivable		248,483
C&I - other
Loans and leases receivable		1,346,602
CRE - non owner occupied
Loans and leases receivable		646,500
Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases receivable		421,701
Commercial Portfolio Segment [Member]
Loans and leases receivable	1,637,662	1,595,085
Gross loans/leases receivable	1,680,992	1,640,276
Less allowance	(29,056)	(29,889)		(35,421)
Commercial Portfolio Segment [Member] \| C&I - revolving
Loans and leases receivable	263,441	248,483
Gross loans/leases receivable	263,441	248,483
Less allowance	(3,619)	(3,907)	(3,547)
Commercial Portfolio Segment [Member] \| C&I - other
Loans and leases receivable	1,374,221	1,346,602
Gross loans/leases receivable	1,417,551	1,391,793
Less allowance	(25,437)	(25,982)	(33,167)
Commercial Real Estate Portfolio Segment [Member]
Less allowance				(42,161)
Commercial Real Estate Portfolio Segment [Member] \| CRE - owner occupied
Loans and leases receivable	439,257	421,701
Commercial Real Estate Portfolio Segment [Member] \| CRE - non owner occupied
Loans and leases receivable	679,898	646,500
Gross loans/leases receivable	679,898	646,500
Less allowance	(7,857)	(8,549)	(11,155)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and leases receivable	863,116	918,571
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases receivable	439,257
Gross loans/leases receivable	439,257	421,701
Less allowance	(7,897)	(8,501)	(9,147)
Construction and Land Development [Member]
Gross loans/leases receivable	863,116	918,571
Less allowance	(14,671)	(16,972)	(12,327)
Construction and Land Development [Member] \| Construction Loans [Member]
Loans and leases receivable	863,116	918,571
Less allowance	(14,671)	(16,972)
Multi-family
Loans and leases receivable	711,682	600,412
Gross loans/leases receivable	711,682	600,412
Less allowance	(10,336)	(9,339)	(6,278)
Direct financing leases
Net minimum lease payments to be received	47,410	49,362
Estimated unguaranteed residual values of leased assets	165	165
Unearned lease/residual income	(4,245)	(4,336)
Loans and leases receivable	43,330	45,191
Plus deferred loan/lease origination costs, net of fees.	484	568
Gross loans/leases receivable	43,814	45,759
Less allowance	(1,465)	(1,546)		(1,764)
Net loans/leases receivable	42,349	44,213
Direct financing leases \| C&I - other
Less allowance	(1,500)
1-4 family real estate
Loans and leases receivable	379,613	377,361
Gross loans/leases receivable	379,613	377,361
Less allowance	(4,154)	(4,541)	(5,165)
Residential real estate
Less allowance				(3,732)
Consumer
Loans and leases receivable	73,310	75,311
Gross loans/leases receivable	73,310	75,311
Less allowance	$ (815)	$ (930)	$ (1,045)	$ (1,298)