Note 7 - FAIR VALUE - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Interest-bearing deposits at financial institutions	$ 60,350	$ 67,360
Securities held to maturity, fair value	524,819	535,636
Securities available for sale, at fair value	281,279	340,960
Derivatives	291,295	177,631
Subordinated notes	232,958	232,662
Derivatives	320,220	200,701
Fair Value, Inputs, Level 1 | Carrying Value
Cash and due from banks	104,265	59,723
Fair Value, Inputs, Level 1 | Estimated Fair Value
Cash and due from banks	104,265	59,723
Fair Value, Inputs, Level 2 | Carrying Value
Federal funds sold	20,300	56,910
Securities held to maturity, fair value	615,115	587,142
Securities available for sale, at fair value	281,279	340,960
Loans/leases receivable, net	6,208,053	6,022,679
Short-term borrowings	470	129,630
FHLB advances	430,000	415,000
Subordinated notes	232,958	232,662
Junior subordinated debentures	48,698	48,602
Fair Value, Inputs, Level 2 | Carrying Value | Non-maturity Deposits
Deposits	5,522,283	5,199,633
Fair Value, Inputs, Level 2 | Carrying Value | Time Deposits
Deposits	972,569	784,584
Fair Value, Inputs, Level 2 | Carrying Value | Interest rate caps
Derivatives	291,295	177,631
Fair Value, Inputs, Level 2 | Carrying Value | Interest rate swaps
Derivatives	320,220	200,701
Fair Value, Inputs, Level 2 | Carrying Value | Interest-bearing Deposits
Interest-bearing deposits at financial institutions	60,350	67,360
Fair Value, Inputs, Level 2 | Estimated Fair Value
Federal funds sold	20,300	56,910
Securities held to maturity, fair value	524,819	535,636
Securities available for sale, at fair value	281,279	340,960
Loans/leases receivable, net	5,907,226	5,896,443
Short-term borrowings	470	129,630
FHLB advances	429,450	415,000
Subordinated notes	249,002	250,613
Junior subordinated debentures	40,204	41,545
Fair Value, Inputs, Level 2 | Estimated Fair Value | Non-maturity Deposits
Deposits	5,522,283	5,199,633
Fair Value, Inputs, Level 2 | Estimated Fair Value | Time Deposits
Deposits	966,026	766,294
Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest rate caps
Derivatives	291,295	177,631
Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest rate swaps
Derivatives	320,220	200,701
Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest-bearing Deposits
Interest-bearing deposits at financial institutions	60,350	67,360
Fair Value, Inputs, Level 3 | Carrying Value
Loans/leases receivable, net	310,585	28,486
Fair Value, Inputs, Level 3 | Estimated Fair Value
Loans/leases receivable, net	313,192	30,765
Fair Value, Measurements, Recurring
Derivatives	291,295	177,631
Derivatives	320,220	200,701
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Derivatives	291,295	177,631
Derivatives	320,220	$ 200,701
Fair Value, Measurements, Nonrecurring
Loans, net	277,995
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Loans, net	$ 277,995