FAIR VALUE DISCLOSURES OF FINANCIAL ASSETS AND LIABILITIES - Fair Value Measurement Inputs and Valuation Techniques (Details) - Significant Unobservable Inputs (Level 3) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares
Observed market comparable transactions
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other investments, fair value | $	$ 21,064
Fair market value of collateral
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, fair value | $	$ 358
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 | $	$ 87
Other liabilities, fair value | $	$ 4
Credit Value Adjustment | CDS Spread and Loss Given Default (LGD) | 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 | CDS Spread and Loss Given Default (LGD) | 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 | CDS Spread and Loss Given Default (LGD) | 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 | $	$ 17,556
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 3 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 3 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