LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Summary of nonaccrual loans with collateral (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated		$ 12,203
Total non-accrual loans	$ 50,816	12,349
Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	50,812
Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	9,715
Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	1,704
Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	39,393
Cash, Securities, and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated		4
Total non-accrual loans	1,704	4
Cash, Securities, and Other | Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	1,704
Cash, Securities, and Other | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Cash, Securities, and Other | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	1,704
Cash, Securities, and Other | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	7,504	146
Consumer and Other | Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	7,500
Consumer and Other | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Consumer and Other | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Consumer and Other | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	7,500
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated		201
Total non-accrual loans	2,719	201
Construction and Development | Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	2,719
Construction and Development | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	2,719
Construction and Development | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Construction and Development | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-accrual loans	3,016
1-4 Family Residential | Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	3,016
1-4 Family Residential | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	3,016
1-4 Family Residential | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
1-4 Family Residential | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated		1,165
Total non-accrual loans	3,980	1,165
Owner Occupied CRE | Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	3,980
Owner Occupied CRE | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	3,980
Owner Occupied CRE | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Owner Occupied CRE | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Commercial and Industrial | Total Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	31,893
Commercial and Industrial | Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Commercial and Industrial | Secured by Cash and Securities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	0
Commercial and Industrial | Secured by Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated	31,893
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Individually evaluated		10,833
Total non-accrual loans	$ 31,893	$ 10,833