Note 8 - FAIR VALUE (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Securities available for sale, at fair value	$ 290,980	$ 299,655
Derivatives	183,888	187,341
Loans receivable held for sale in preparation for securitization	274,816
Derivatives	211,677	215,735
Trading securities	22,258	22,369
Recognized trading gain (loss)	19
Fair Value, Measurements, Recurring
Derivatives	183,888	187,341
Assets Fair Value	497,126	509,365
Derivatives	211,677	215,735
Liabilities Fair Value	$ 211,677	215,735
Fair Value, Measurements, Recurring | Discount Rate | Minimum
Measurement Input	5.84
Fair Value, Measurements, Recurring | Discount Rate | Maximum
Measurement Input	7.55
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Derivatives	$ 183,888	187,341
Assets Fair Value	474,868	486,996
Derivatives	211,677	215,735
Liabilities Fair Value	211,677	215,735
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Assets Fair Value	22,258	22,369
Fair Value, Measurements, Nonrecurring
Assets Fair Value	310,694	35,111
Loans receivable held for sale in preparation for securitization	274,816
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Assets Fair Value	310,694	35,111
Loans receivable held for sale in preparation for securitization	274,816
U.S. govt. sponsored agency securities
Securities available for sale, at fair value	14,442	14,973
U.S. govt. sponsored agency securities | Fair Value, Measurements, Recurring
Securities available for sale, at fair value	14,442	14,973
U.S. govt. sponsored agency securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Securities available for sale, at fair value	14,442	14,973
Residential mortgage-backed and related securities
Securities available for sale, at fair value	56,071	59,196
Residential mortgage-backed and related securities | Fair Value, Measurements, Recurring
Securities available for sale, at fair value	56,071	59,196
Residential mortgage-backed and related securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Securities available for sale, at fair value	56,071	59,196
Municipal securities.
Securities available for sale, at fair value	166,693	170,987
Municipal securities. | Fair Value, Measurements, Recurring
Securities available for sale, at fair value	166,693	170,987
Municipal securities. | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Securities available for sale, at fair value	166,693	170,987
Asset-backed securities
Securities available for sale, at fair value	14,285	15,423
Asset-backed securities | Fair Value, Measurements, Recurring
Securities available for sale, at fair value	14,285	15,423
Asset-backed securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Securities available for sale, at fair value	14,285	15,423
Other securities
Securities available for sale, at fair value	39,489	39,076
Other securities | Fair Value, Measurements, Recurring
Securities available for sale, at fair value	39,489	39,076
Other securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Securities available for sale, at fair value	39,489	39,076
Securities trading | Fair Value, Measurements, Recurring
Securities available for sale, at fair value	22,258	22,369
Securities trading | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Securities available for sale, at fair value	22,258	22,369
Impaired Loans Leases | Fair Value, Measurements, Nonrecurring
Assets Fair Value	33,949	33,656
Impaired Loans Leases | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Assets Fair Value	33,949	33,656
Other Real Estate Owned | Fair Value, Measurements, Nonrecurring
Assets Fair Value	847	1,455
Other Real Estate Owned | Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Assets Fair Value	$ 847	$ 1,455