FAIR VALUE DISCLOSURES OF FINANCIAL ASSETS AND LIABILITIES - Fair Value Measurement Inputs and Valuation Techniques (Details) - Significant Unobservable Inputs (Level 3) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares
Observed market comparable transactions
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other investments, fair value | $	$ 13,651
Fair market value of collateral
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, fair value | $	$ 1,818
Fair market value of collateral | Costs to sell
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, measurement input	0.100
Credit Value Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other assets, fair value | $	$ 209
Other liabilities, fair value | $	$ 7
Credit Value Adjustment | Measurement Input, CDS Spread and Loss Given Default | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other assets, measurement input	0.0110
Other liabilities, measurement input	0.0001
Credit Value Adjustment | Measurement Input, CDS Spread and Loss Given Default | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other assets, measurement input	0.0250
Other liabilities, measurement input	0.0250
Credit Value Adjustment | Measurement Input, CDS Spread and Loss Given Default | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other assets, measurement input	0.30
Other liabilities, measurement input	0.30
Discounted cash flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other liabilities, fair value | $	$ 18,625
Discounted cash flow | Timing of Visa litigation resolution | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other liabilities, measurement input, term	1 year 6 months
Discounted cash flow | Timing of Visa litigation resolution | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other liabilities, measurement input, term	6 years 6 months
Discounted cash flow | Timing of Visa litigation resolution | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other liabilities, measurement input, term	4 years 3 months