FAIR VALUE - Summary of Additional Qualitative Information (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage servicing rights	$ 3,200	$ 3,300
Fair Value, Measurements, Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage servicing rights		$ 536
Fair Value, Measurements, Nonrecurring \| Discount Rate \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans, measurement input (as a percent)	8.76%	8.28%
Fair Value, Measurements, Nonrecurring \| Discount Rate \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans, measurement input (as a percent)	30.00%	65.04%
Fair Value, Measurements, Nonrecurring \| Appraisal of collateral
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans	$ 3,998	$ 5,864
Fair Value, Measurements, Nonrecurring \| Appraisal of collateral \| Discount Rate \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans, measurement input (as a percent)	10.00%	10.00%
Fair Value, Measurements, Nonrecurring \| Appraisal of collateral \| Discount Rate \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans, measurement input (as a percent)	84.00%	84.00%
Fair Value, Measurements, Nonrecurring \| Discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Mortgage servicing rights		$ 536
Fair Value, Measurements, Nonrecurring \| Discounted cash flow \| Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Asset, measurement input (as a percent)		0.0902
Fair Value, Measurements, Nonrecurring \| Discounted cash flow \| Constant Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Asset, measurement input (as a percent)		0.0686