LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Amortized Cost Basis (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.20%
Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	4,209
Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	2,174
Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 371
Financing receivable, interest rate reduction (in percent)	0.50%
Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 122
Owner-occupied, nonfarm nonresidential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.00%
Owner-occupied, nonfarm nonresidential properties | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Owner-occupied, nonfarm nonresidential properties | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	98
Owner-occupied, nonfarm nonresidential properties | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Owner-occupied, nonfarm nonresidential properties | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Owner-occupied, nonfarm nonresidential properties | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.50%
Commercial and Industrial | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Commercial and Industrial | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	2,573
Commercial and Industrial | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	612
Commercial and Industrial | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 371
Financing receivable, interest rate reduction (in percent)	0.50%
Commercial and Industrial | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 122
Other construction loans and all land development and other land loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.40%
Other construction loans and all land development and other land loans | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Other construction loans and all land development and other land loans | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	1,538
Other construction loans and all land development and other land loans | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Other construction loans and all land development and other land loans | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Other construction loans and all land development and other land loans | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Non-owner occupied, nonfarm nonresidential properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, interest rate reduction (in percent)	0.20%
Non-owner occupied, nonfarm nonresidential properties | Principal Forgiveness
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Non-owner occupied, nonfarm nonresidential properties | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	0
Non-owner occupied, nonfarm nonresidential properties | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	1,562
Non-owner occupied, nonfarm nonresidential properties | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0
Financing receivable, interest rate reduction (in percent)	0.00%
Non-owner occupied, nonfarm nonresidential properties | Combination Payment Delay and Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable excluding accrued interest modified accumulated	$ 0