FAIR VALUE OF FINANCIAL INSTRUMENTS - Mortgage Servicing Rights (Details) $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
FAIR VALUE OF FINANCIAL INSTRUMENTS
Mortgage servicing rights, at fair value	$ 16,944	$ 18,827	$ 19,001	$ 10,147
Fair Value, Recurring
FAIR VALUE OF FINANCIAL INSTRUMENTS
Mortgage servicing rights, at fair value	16,944	18,827
Fair Value, Recurring \| Level 3 Inputs
FAIR VALUE OF FINANCIAL INSTRUMENTS
Mortgage servicing rights, at fair value	16,944	18,827
Fair Value, Recurring \| Level 3 Inputs \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Mortgage servicing rights, at fair value	$ 16,944	$ 18,827
Fair Value, Recurring \| Level 3 Inputs \| Constant pre-payment rates (CPR) \| Minimum \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	0.049	0.008
Fair Value, Recurring \| Level 3 Inputs \| Constant pre-payment rates (CPR) \| Maximum \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	0.943	0.943
Fair Value, Recurring \| Level 3 Inputs \| Constant pre-payment rates (CPR) \| Weighted Average \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	0.081	0.076
Fair Value, Recurring \| Level 3 Inputs \| Discount rate \| Minimum \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	0.090	0.090
Fair Value, Recurring \| Level 3 Inputs \| Discount rate \| Maximum \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	0.110	0.964
Fair Value, Recurring \| Level 3 Inputs \| Discount rate \| Weighted Average \| Valuation Technique, Discounted Cash Flow
FAIR VALUE OF FINANCIAL INSTRUMENTS
Measurement input	0.096	0.104