LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Summary of loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 2,495,582			$ 2,469,413
Loans accounted for under the fair value option	17,523			23,321
Allowance for credit losses: loans	(22,044)	$ (19,843)	$ (20,653)	(17,183)	$ (14,357)	$ (13,885)	$ (13,732)
Total, net	2,473,538			2,452,230
Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,456,015			2,428,909
Loans accounted for under the fair value option	(17,523)			(23,321)
Allowance for credit losses: loans	(22,044)			(17,183)
Total, net	2,473,538			2,452,230
Total | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,478,059			2,446,092
Cash, Securities, and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	150,620			165,559
Allowance for credit losses: loans	(1,311)	(1,451)		(1,198)	(1,194)	(1,440)	(1,598)
Cash, Securities, and Other | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	150,620			165,559
Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	39,285			49,391
Loans accounted for under the fair value option	18,300			23,400
Allowance for credit losses: loans	(137)	(196)		(191)	(220)	(283)	(266)
Consumer and Other | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	21,762			26,070
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	310,382			285,627
Allowance for credit losses: loans	(7,496)	(6,229)		(2,025)	(1,074)	(954)	(1,092)
Construction and Development | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	310,382			285,627
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	880,600			899,722
Allowance for credit losses: loans	(3,579)	(3,821)		(6,309)	(4,845)	(3,789)	(3,553)
1-4 Family Residential | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	880,600			899,722
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	558,276			493,134
Allowance for credit losses: loans	(2,495)	(2,709)		(3,490)	(3,235)	(2,867)	(2,952)
Non-Owner Occupied CRE | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	558,276			493,134
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	217,020			214,189
Allowance for credit losses: loans	(1,182)	(1,272)		(1,510)	(1,477)	(1,328)	(1,292)
Owner Occupied CRE | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	217,020			214,189
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	339,399			361,791
Allowance for credit losses: loans	(5,844)	$ (4,165)		(2,460)	$ (2,312)	$ (3,224)	$ (2,979)
Commercial and Industrial | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 339,399			$ 361,791