LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Summary of nonaccrual loans with collateral (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 12,259	$ 12,137
Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	1,135
Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	11,124
Cash, Securities, and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0	4
Cash, Securities, and Other | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Cash, Securities, and Other | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Cash, Securities, and Other | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0	5
Consumer and Other | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Consumer and Other | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Consumer and Other | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0	201
Construction and Development | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Construction and Development | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Construction and Development | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0	0
1-4 Family Residential | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
1-4 Family Residential | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
1-4 Family Residential | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Non-Owner Occupied CRE | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Non-Owner Occupied CRE | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Non-Owner Occupied CRE | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	1,135	$ 1,165
Owner Occupied CRE | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	1,135
Owner Occupied CRE | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Owner Occupied CRE | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	11,124
Commercial and Industrial | Secured by Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Commercial and Industrial | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	0
Commercial and Industrial | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total nonaccrual loans	$ 11,124