Note 3 - LOANS/LEASES RECEIVABLE - Composition of the Loan Lease Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Gross loans/leases receivable	$ 6,828,802		$ 6,543,416
Less allowance for credit losses	(86,321)	$ (87,706)	(87,200)	$ (87,669)	$ (85,797)	$ (87,706)
Net loans/leases receivable	6,742,481		6,456,216
C&I
Gross loans/leases receivable	1,797,490		1,807,021
C&I | C&I - revolving
Gross loans/leases receivable	387,409		325,243
Less allowance for credit losses	(3,934)	(3,699)	(4,224)	(4,469)	(4,101)	(4,457)
C&I | C&I - other
Gross loans/leases receivable	1,410,081		1,481,778
CRE | CRE - owner occupied
Gross loans/leases receivable	622,072		607,365
CRE | Non-owner occupied
Gross loans/leases receivable	1,103,694		1,008,892
Less allowance for credit losses	(12,046)	(12,376)	(11,581)	(11,681)	(11,968)	(11,749)
Construction and land development
Gross loans/leases receivable	1,256,176		1,420,525
Less allowance for credit losses	(14,425)	(12,054)	(16,856)	(16,842)	(15,888)	(14,262)
Multi-family
Gross loans/leases receivable	1,297,772		996,143
Less allowance for credit losses	(12,294)	(14,257)	(12,463)	(12,279)	(11,229)	(13,186)
Direct financing leases
Net minimum lease payments to be received	20,987		34,966
Leveraged Leases, Net Investment in Leveraged Leases Disclosure, Residual Value of Leased Assets	165		165
Unearned lease/residual income	(1,911)		(3,967)
Gross loans/leases receivable	19,241		31,164
Plus deferred lease origination costs, net of fees	27		75
Gross loans/leases receivable after originated cost	19,268		31,239
Less allowance for credit losses	(692)		(992)
Net loans/leases receivable	18,576		30,247
1-4 family real estate
Gross loans/leases receivable	587,512		544,971
Less allowance for credit losses	(4,452)	(5,203)	(4,917)	(5,168)	(5,213)	(4,963)
Consumer
Gross loans/leases receivable	144,845		127,335
Less allowance for credit losses	$ (1,493)	$ (1,520)	$ (1,476)	$ (1,564)	$ (1,505)	$ (1,371)