Note 3 - LOANS LEASES RECEIVABLE - Loans Leases Nonperforming Loans Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accruing Past Due 90 Days or More	$ 4
Accruing TDRs	120	$ 494
Loans and Leases Receivable, Net of Deferred Income	$ 4,827,868	$ 4,680,132
Percentage of Total NPLs	100.00%	100.00%
C&I - other
Loans and Leases Receivable, Net of Deferred Income		$ 1,346,602
C&I - revolving
Loans and Leases Receivable, Net of Deferred Income		248,483
Owner Occupied Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Net of Deferred Income		421,701
CRE - non owner occupied
Loans and Leases Receivable, Net of Deferred Income		646,500
Nonperforming Financial Instruments [Member]
Accruing Past Due 90 Days or More	$ 4	1
Nonaccrual Loans/Leases	2,487	1,757
Nonaccrual Loans/Leases without an Allowance for Credit Losses	257
Accruing TDRs		1,002
Loans and Leases Receivable, Net of Deferred Income	$ 2,748	$ 2,760
Percentage of Total NPLs	100.00%	100.00%
Nonperforming Financial Instruments [Member] | C&I - other
Accruing Past Due 90 Days or More	$ 4	$ 1
Nonaccrual Loans/Leases	1,212	1,130
Nonaccrual Loans/Leases without an Allowance for Credit Losses	257
Accruing TDRs		270
Loans and Leases Receivable, Net of Deferred Income	$ 1,473	$ 1,401
Percentage of Total NPLs	53.60%	50.77%
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Net of Deferred Income	$ 1,637,662	$ 1,595,085
Commercial Portfolio Segment [Member] | C&I - other
Accruing Past Due 90 Days or More	4
Loans and Leases Receivable, Net of Deferred Income	1,374,221	1,346,602
Commercial Portfolio Segment [Member] | C&I - revolving
Loans and Leases Receivable, Net of Deferred Income	263,441	248,483
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] | C&I - other
Loans and Leases Receivable, Net of Deferred Income	1,264	1,340
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	439,257
Commercial Real Estate Portfolio Segment [Member] | CRE - non owner occupied
Loans and Leases Receivable, Net of Deferred Income	679,898	646,500
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	863,116	918,571
Construction and Land Development [Member] | Construction Loans [Member]
Loans and Leases Receivable, Net of Deferred Income	863,116	918,571
Construction and Land Development [Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]
Nonaccrual Loans/Leases		73
Loans and Leases Receivable, Net of Deferred Income		$ 73
Percentage of Total NPLs		2.64%
Multi-family
Loans and Leases Receivable, Net of Deferred Income	711,682	$ 600,412
Direct financing leases
Loans and Leases Receivable, Net of Deferred Income	43,330	45,191
Direct financing leases | Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases	820	115
Accruing TDRs		732
Loans and Leases Receivable, Net of Deferred Income	$ 820	$ 847
Percentage of Total NPLs	29.84%	30.69%
1-4 family real estate
Loans and Leases Receivable, Net of Deferred Income	$ 379,613	$ 377,361
1-4 family real estate | Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases	425
Loans and Leases Receivable, Net of Deferred Income	$ 425	408
Percentage of Total NPLs	15.47%
Residential real estate | Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases		408
Loans and Leases Receivable, Net of Deferred Income		$ 408
Percentage of Total NPLs		14.78%
Consumer
Loans and Leases Receivable, Net of Deferred Income	$ 73,310	$ 75,311
Consumer | Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases	30
Loans and Leases Receivable, Net of Deferred Income	$ 30	31
Percentage of Total NPLs	1.09%
Installment and other consumer loans | Nonperforming Financial Instruments [Member]
Nonaccrual Loans/Leases		31
Loans and Leases Receivable, Net of Deferred Income		$ 31
Percentage of Total NPLs		1.12%