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Note 4 - LOANS LEASES RECEIVABLE - Composition of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Loans and leases receivable	$ 5,797,903		$ 4,680,132
Gross loans/leases receivable	5,797,903		4,680,132
Less allowance	(92,425)	$ (74,786)	(78,721)	$ (78,894)	$ (81,831)	$ (84,376)
Net loans/leases receivable	5,705,478		4,601,411
C&I - revolving
Loans and leases receivable			248,483
Less allowance	(5,179)		(3,907)
C&I - other
Loans and leases receivable			1,346,602
Less allowance	(28,093)		(25,982)
CRE - non owner occupied
Loans and leases receivable			646,500
Less allowance	(12,049)		(8,549)
Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases receivable			421,701
Less allowance	(11,065)		(8,501)
Commercial Portfolio Segment [Member]
Loans and leases receivable	1,725,947		1,595,085
Gross loans/leases receivable	1,765,997		1,640,276
Less allowance	(33,272)		(29,889)			(35,421)
Commercial Portfolio Segment [Member] \| C&I - revolving
Loans and leases receivable	322,258		248,483
Gross loans/leases receivable	322,258		248,483
Less allowance	(5,179)	(3,619)	(3,907)	(3,177)	(3,547)
Commercial Portfolio Segment [Member] \| C&I - other
Loans and leases receivable	1,403,689		1,346,602
Gross loans/leases receivable	1,443,739		1,391,793
Less allowance	(28,093)	(25,437)	(25,982)	(32,325)	(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	628,565		421,701
Commercial Real Estate Portfolio Segment [Member] \| CRE - non owner occupied
Loans and leases receivable	889,530		646,500
Gross loans/leases receivable	889,530		646,500
Less allowance	(12,049)	(7,857)	(8,549)	(8,911)	(11,155)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and leases receivable	1,080,372		918,571
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Commercial Real Estate Loans [Member]
Loans and leases receivable	628,565
Gross loans/leases receivable	628,565		421,701
Less allowance	(11,065)	(7,897)	(8,501)	(8,020)	(9,147)
Construction and Land Development [Member]
Gross loans/leases receivable	1,080,372		918,571
Less allowance	(16,388)		(16,972)	(13,640)	(12,327)
Construction and Land Development [Member] \| Construction Loans [Member]
Loans and leases receivable	1,080,372		918,571
Less allowance	(16,388)	(14,671)
Multi-family
Loans and leases receivable	860,742		600,412
Gross loans/leases receivable	860,742		600,412
Less allowance	(12,783)	(10,336)	(9,339)	(6,977)	(6,278)
Direct financing leases
Net minimum lease payments to be received	43,888		49,362
Estimated unguaranteed residual values of leased assets	165		165
Unearned lease/residual income	(4,003)		(4,336)
Loans and leases receivable	40,050		45,191
Plus deferred loan/lease origination costs, net of fees.	387		568
Gross loans/leases receivable	40,437		45,759
Less allowance	(1,589)		(1,546)			(1,764)
Net loans/leases receivable	38,848		44,213
Direct financing leases \| C&I - other
Less allowance		(1,500)	(1,500)			(1,800)
1-4 family real estate
Loans and leases receivable	473,141		377,361
Gross loans/leases receivable	473,141		377,361
Less allowance	(5,513)	(4,154)	(4,541)	(4,925)	(5,165)
Residential real estate
Less allowance						(3,732)
Consumer
Loans and leases receivable	99,556		75,311
Gross loans/leases receivable	99,556		75,311
Less allowance	$ (1,355)	$ (815)	$ (930)	$ (919)	$ (1,045)	$ (1,298)