Note 22 - Fair Value - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Interest-bearing deposits at financial institutions	$ 104,919	$ 67,360
Securities held to maturity, fair value	680,279	535,636
Securities available for sale, at fair value	299,655	340,960
Derivatives	187,341	177,631
Subordinated notes	233,064	232,662
Derivatives	215,735	200,701
Fair Value, Inputs, Level 1 | Carrying Value
Cash and due from banks	97,123	59,723
Fair Value, Inputs, Level 1 | Estimated Fair Value
Cash and due from banks	97,123	59,723
Fair Value, Inputs, Level 2 | Carrying Value
Federal funds sold	35,450	56,910
Securities held to maturity, fair value	683,504	587,142
Securities available for sale, at fair value	299,655	340,960
Loans/leases receivable, net	6,425,053	6,022,679
Short-term borrowings	1,500	129,630
FHLB advances	435,000	415,000
Subordinated notes	233,064	232,662
Junior subordinated debentures	48,731	48,602
Fair Value, Inputs, Level 2 | Carrying Value | Non-maturity Deposits
Deposits	5,504,323	5,199,633
Fair Value, Inputs, Level 2 | Carrying Value | Time Deposits
Deposits	1,009,682	784,584
Fair Value, Inputs, Level 2 | Carrying Value | Interest rate caps
Derivatives	187,341	177,631
Fair Value, Inputs, Level 2 | Carrying Value | Interest rate swaps
Derivatives	215,735	200,701
Fair Value, Inputs, Level 2 | Carrying Value | Interest-bearing Deposits
Interest-bearing deposits at financial institutions	104,919	67,360
Fair Value, Inputs, Level 2 | Estimated Fair Value
Federal funds sold	35,450	56,910
Securities held to maturity, fair value	680,279	535,636
Securities available for sale, at fair value	299,655	340,960
Loans/leases receivable, net	6,125,433	5,896,443
Short-term borrowings	1,500	129,630
FHLB advances	437,178	415,000
Subordinated notes	240,235	250,613
Junior subordinated debentures	40,397	41,545
Fair Value, Inputs, Level 2 | Estimated Fair Value | Non-maturity Deposits
Deposits	5,504,323	5,199,633
Fair Value, Inputs, Level 2 | Estimated Fair Value | Time Deposits
Deposits	996,746	766,294
Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest rate caps
Derivatives	187,341	177,631
Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest rate swaps
Derivatives	215,735	200,701
Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest-bearing Deposits
Interest-bearing deposits at financial institutions	104,919	67,360
Fair Value, Inputs, Level 3 | Carrying Value
Trading	22,369
Loans/leases receivable, net	31,163	28,486
Fair Value, Inputs, Level 3 | Estimated Fair Value
Trading	22,369
Loans/leases receivable, net	33,656	30,765
Fair Value, Measurements, Recurring
Derivatives	187,341	177,631
Fair Value, Measurements, Recurring | Interest rate swaps
Derivatives	215,735	200,701
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Derivatives	187,341	177,631
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest rate swaps
Derivatives	$ 215,735	$ 200,701