Note 21 - Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Securities available for sale, at fair value	$ 337,830	$ 361,966
Derivatives	222,220	222,757
Derivatives	225,135	229,270
Interest rate swap
Derivatives	221,055	222,431
Derivatives	221,055	222,431
Fair Value, Measurements, Recurring [Member]
Derivatives	222,220	222,757
Assets Fair Value	560,050	584,723
Liabilities Fair Value	225,135	229,270
Fair Value, Measurements, Recurring [Member] \| Interest rate swap
Derivatives	225,135	229,270
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Derivatives	222,220	222,757
Assets Fair Value	560,050	584,723
Liabilities Fair Value	225,135	229,270
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest rate swap
Derivatives	225,135	229,270
Fair Value, Measurements, Nonrecurring [Member]
Assets Fair Value		9,948
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value		9,948
U.S. treasuries and govt. sponsored agency securities
Securities available for sale, at fair value	23,328	15,336
U.S. treasuries and govt. sponsored agency securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	23,328	15,336
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	23,328	15,336
Residential mortgage-backed and related securities
Securities available for sale, at fair value	94,323	132,842
Residential mortgage-backed and related securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	94,323	132,842
Residential mortgage-backed and related securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	94,323	132,842
Asset-backed securities
Securities available for sale, at fair value	27,124	40,683
Asset-backed securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	27,124	40,683
Asset-backed securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	27,124	40,683
Municipal securities.
Securities available for sale, at fair value	168,266	152,408
Municipal securities. \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	168,266	152,408
Municipal securities. \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	168,266	152,408
Other Securities
Securities available for sale, at fair value	24,789	20,697
Other Securities \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, at fair value	24,789	20,697
Other Securities \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, at fair value	24,789	20,697
Impaired Loans Leases [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Assets Fair Value	6,618	9,926
Impaired Loans Leases [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value	$ 6,618	9,926
Other Real Estate Owned [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Assets Fair Value		22
Other Real Estate Owned [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value		$ 22

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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