FAIR VALUE MEASUREMENTS - Schedule of quantitative information about Level 3 fair value measurements (Details) $ in Thousands	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value
Loans evaluated individually, net of related allowance	$ 3,151	$ 15,647
Fair Value, Nonrecurring \| Loans evaluated individually, net of related allowance
Fair Value
Loans evaluated individually, net of related allowance	1,000	5,345
Fair Value, Nonrecurring \| Bank property held for sale with impairment
Fair Value
Bank property held for sale with impairment	4,286	7,923
Fair Value, Nonrecurring \| Level 3 Inputs \| Loans evaluated individually, net of related allowance
Fair Value
Loans evaluated individually, net of related allowance	1,000	5,345
Fair Value, Nonrecurring \| Level 3 Inputs \| Bank property held for sale with impairment
Fair Value
Bank property held for sale with impairment	4,286	7,923
Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral \| Loans evaluated individually, net of related allowance
Fair Value
Loans evaluated individually, net of related allowance	1,000	5,345
Fair Value, Nonrecurring \| Level 3 Inputs \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment
Fair Value
Bank property held for sale with impairment	$ 4,286	$ 7,923
Fair Value, Nonrecurring \| Level 3 Inputs \| Measurement Input, Comparability Adjustment \| Appraisal of collateral \| Loans evaluated individually, net of related allowance \| Minimum
Range (Weighted Average)
Loans evaluated individually, net of related allowance	(0.412)	(0.227)
Fair Value, Nonrecurring \| Level 3 Inputs \| Measurement Input, Comparability Adjustment \| Appraisal of collateral \| Loans evaluated individually, net of related allowance \| Maximum
Range (Weighted Average)
Loans evaluated individually, net of related allowance	(1.000)	(1.000)
Fair Value, Nonrecurring \| Level 3 Inputs \| Measurement Input, Comparability Adjustment \| Appraisal of collateral \| Loans evaluated individually, net of related allowance \| Weighted Average
Range (Weighted Average)
Loans evaluated individually, net of related allowance	(0.472)	(0.457)
Fair Value, Nonrecurring \| Level 3 Inputs \| Measurement Input, Comparability Adjustment \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment \| Minimum
Range (Weighted Average)
Bank property held for sale with impairment	(0.062)	(0.007)
Fair Value, Nonrecurring \| Level 3 Inputs \| Measurement Input, Comparability Adjustment \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment \| Maximum
Range (Weighted Average)
Bank property held for sale with impairment	(0.649)	(0.701)
Fair Value, Nonrecurring \| Level 3 Inputs \| Measurement Input, Comparability Adjustment \| Appraisal of collateral or real estate listing price \| Bank property held for sale with impairment \| Weighted Average
Range (Weighted Average)
Bank property held for sale with impairment	(0.384)	(0.351)