Note 4 - Loans/Leases Receivable - Composition of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Gross loans/leases receivable	$ 6,543,416	$ 6,138,871
Less allowance for credit losses	(87,200)	(87,706)	$ (78,721)
Net loans/leases receivable	6,456,216	6,051,165
C&I
Gross loans/leases receivable	1,807,021	1,748,562
C&I | C&I - revolving
Gross loans/leases receivable	325,243	296,869
Less allowance for credit losses	(4,224)	(4,457)	(3,907)
C&I | C&I - other
Gross loans/leases receivable	1,481,778	1,451,693
CRE | CRE - owner occupied
Gross loans/leases receivable	607,365	629,367
CRE | Non-owner occupied
Gross loans/leases receivable	1,008,892	963,239
Less allowance for credit losses	(11,581)	(11,749)	(8,549)
Construction and land development
Gross loans/leases receivable	1,420,525	1,192,061
Less allowance for credit losses	(16,856)	(14,262)	(16,972)
Multi-family
Gross loans/leases receivable	996,143	963,803
Less allowance for credit losses	(12,463)	(13,186)	(9,339)
Direct financing leases
Net minimum lease payments to be received	34,966	34,754
Estimated unguaranteed residual values of leased assets	165	165
Unearned lease/residual income	(3,967)	(3,030)
Gross loans/leases receivable	31,164	31,889
Plus deferred lease origination costs, net of fees	75	226
Gross loans/leases receivable after originated cost	31,239	32,115
Less allowance for credit losses	(992)	(970)
Net loans/leases receivable	30,247	31,145
1-4 family real estate
Gross loans/leases receivable	544,971	499,529
Less allowance for credit losses	(4,917)	(4,963)	(4,541)
Consumer
Gross loans/leases receivable	127,335	110,421
Less allowance for credit losses	$ (1,476)	$ (1,371)	$ (930)