FAIR VALUE MEASURES - Fair Value Measurements of Assets Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	$ 47,707	$ 42,302
Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	47,147	36,978
Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	560	5,324
Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 1 | Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 1 | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 2 | Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 2 | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	0	0
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	47,707	42,302
Level 3 | Collateral-dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	47,147	36,978
Level 3 | Other real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total nonrecurring assets at fair value	$ 560	$ 5,324