Note 8 - FAIR VALUE - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Interest-bearing deposits at financial institutions	$ 145,959	$ 104,919
Securities held to maturity, fair value	791,659	680,279
Securities available for sale, at fair value	291,865	299,655
Derivatives	261,913	187,341
Subordinated notes	233,383	233,064
Derivatives	285,769	215,735
Fair Value, Inputs, Level 1 | Carrying Value
Cash and due from banks	103,840	97,123
Fair Value, Inputs, Level 1 | Estimated of Fair Value
Cash and due from banks	103,840	97,123
Fair Value, Inputs, Level 2 | Carrying Value
Federal funds sold	13,200	35,450
Securities held to maturity, fair value	795,496	683,504
Securities available for sale, at fair value	291,865	299,655
Loans/leases receivable, net	6,709,038	6,425,053
Short-term borrowings	2,750	1,500
FHLB advances	375,383	435,000
Subordinated notes	233,383	233,064
Junior subordinated debentures	48,828	48,731
Fair Value, Inputs, Level 2 | Carrying Value | Non-maturity Deposits
Deposits	5,749,506	5,504,323
Fair Value, Inputs, Level 2 | Carrying Value | Time Deposits
Deposits	1,235,127	1,009,682
Fair Value, Inputs, Level 2 | Carrying Value | Interest rate caps
Derivatives	261,913	187,341
Fair Value, Inputs, Level 2 | Carrying Value | Interest rate swaps
Derivatives	285,769	215,735
Fair Value, Inputs, Level 2 | Carrying Value | Interest-bearing Deposits
Interest-bearing deposits at financial institutions	145,959	104,919
Fair Value, Inputs, Level 2 | Estimated of Fair Value
Federal funds sold	13,200	35,450
Securities held to maturity, fair value	791,659	680,279
Securities available for sale, at fair value	291,865	299,655
Loans/leases receivable, net	6,483,278	6,125,433
Short-term borrowings	2,750	1,500
FHLB advances	377,501	437,178
Subordinated notes	238,978	240,235
Junior subordinated debentures	41,114	40,397
Fair Value, Inputs, Level 2 | Estimated of Fair Value | Non-maturity Deposits
Deposits	5,749,506	5,504,323
Fair Value, Inputs, Level 2 | Estimated of Fair Value | Time Deposits
Deposits	1,235,442	996,746
Fair Value, Inputs, Level 2 | Estimated of Fair Value | Interest rate caps
Derivatives	261,913	187,341
Fair Value, Inputs, Level 2 | Estimated of Fair Value | Interest rate swaps
Derivatives	285,769	215,735
Fair Value, Inputs, Level 2 | Estimated of Fair Value | Interest-bearing Deposits
Interest-bearing deposits at financial institutions	145,959	104,919
Fair Value, Inputs, Level 3 | Carrying Value
Trading	58,685	22,369
Loans/leases receivable, net	33,443	31,163
Fair Value, Inputs, Level 3 | Estimated of Fair Value
Trading	58,685	22,369
Loans/leases receivable, net	36,118	33,656
Fair Value, Measurements, Recurring
Derivatives	261,913	187,341
Derivatives	285,769	215,735
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Derivatives	261,913	187,341
Derivatives	$ 285,769	$ 215,735