FAIR VALUES OF FINANCIAL INSTRUMENTS - Quantitative Information About Recurring and Non-Recurring Level 3 (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Discount rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0
Discount rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	100
State and municipal obligations | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 1,180	$ 1,545
State and municipal obligations | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)		0.0534
State and municipal obligations | Discount rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0404	0.0373
State and municipal obligations | Discount rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0444	0.0444
Collateralized debt obligations | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 3,002	$ 2,986
Collateralized debt obligations | Discount rate
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0736
Collateral dependent loans | Level 3
Fair Value Measurement Inputs and Valuation Techniques
Fair Value	$ 11,306	$ 4,477
Collateral dependent loans | Discount rate | Minimum
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	0.0000	0.0000
Collateral dependent loans | Discount rate | Maximum
Fair Value Measurement Inputs and Valuation Techniques
Range of Inputs (percent)	1.0000	0.5000