Note 21 - Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Securities available for sale, at fair value	$ 340,960	$ 337,830
Derivatives	177,631	222,220
Derivatives	200,701	225,135
Interest rate swap
Derivatives	166,614	221,055
Derivatives	166,614	221,055
Fair Value, Measurements, Recurring [Member]
Derivatives	177,631	222,220
Assets Fair Value	518,591	560,050
Liabilities Fair Value	200,701	225,135
Fair Value, Measurements, Recurring [Member] \| Interest rate swap
Derivatives	200,701	225,135
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Derivatives	177,631	222,220
Assets Fair Value	518,591	560,050
Liabilities Fair Value	200,701	225,135
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest rate swap
Derivatives	200,701	225,135
Fair Value, Measurements, Nonrecurring [Member]
Assets Fair Value	30,909
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value	30,909
U.S. treasuries and govt. sponsored agency securities
Securities available for sale, at fair value	16,981	23,328
U.S. treasuries and govt. sponsored agency securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	16,981	23,328
U.S. treasuries and govt. sponsored agency securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	16,981	23,328
Residential mortgage-backed and related securities
Securities available for sale, at fair value	66,215	94,323
Residential mortgage-backed and related securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	66,215	94,323
Residential mortgage-backed and related securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	66,215	94,323
Asset-backed securities
Securities available for sale, at fair value	18,728	27,124
Asset-backed securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	18,728	27,124
Asset-backed securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	18,728	27,124
Municipal securities.
Securities available for sale, at fair value	193,178	168,266
Municipal securities. \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	193,178	168,266
Municipal securities. \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	193,178	168,266
Other securities
Securities available for sale, at fair value	45,858	24,789
Other securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	45,858	24,789
Other securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	45,858	24,789
Impaired Loans Leases [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Assets Fair Value	30,765	6,618
Impaired Loans Leases [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value	30,765	$ 6,618
Other Real Estate Owned [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Assets Fair Value	144
Other Real Estate Owned [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value	$ 144

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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