Note 7 - FAIR VALUE - Quantitative Information About Level Fair Value Measurements (Details) - Fair Value, Inputs, Level 3 - Valuation Technique, Appraisal of Collateral - Measurement Input, Appraised Value $ in Thousands	Sep. 30, 2023 USD ($) item	Dec. 31, 2022 USD ($)
Loans receivable held for sale in preparation for securitization | $	$ 277,995
Loans receivable held-for-sale, Valuation Technique	us-gaap:MarketApproachValuationTechniqueMember	us-gaap:MarketApproachValuationTechniqueMember
Loans receivable held-for-sale, Measurement Input	us-gaap:MeasurementInputComparabilityAdjustmentMember	us-gaap:MeasurementInputComparabilityAdjustmentMember
Impaired Loans Leases
Fair value | $	$ 35,197	$ 30,765
Valuation technique	Valuation Technique, Appraisal of Collateral	Valuation Technique, Appraisal of Collateral
Unobservable input	Measurement Input, Appraised Value	Measurement Input, Appraised Value
Impaired Loans Leases | Minimum
Impaired loans/leases, measurement input	(0.1000)
Impaired Loans Leases | Maximum
Impaired loans/leases, measurement input	(0.3000)
Other Real Estate Owned
Fair value | $	$ 130	$ 144
Valuation technique, OREO	Valuation Technique, Appraisal of Collateral	Valuation Technique, Appraisal of Collateral
Unobservable input, OREO	Measurement Input, Appraised Value	Measurement Input, Appraised Value
Other Real Estate Owned | Minimum
OREO, measurement input	0.0000
Other Real Estate Owned | Maximum
OREO, measurement input	(0.3500)