LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Summary of loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	$ 2,713,688		$ 2,649,484
Allowance for credit losses	(20,297)	$ (20,801)	(21,441)	$ (18,994)	$ (17,956)	$ (18,330)
Total, net	2,691,506		2,628,982
Loans accounted for under the fair value option	1,758		3,182
Unamortized loan origination fee	500		400
Unamortized discounts on loan purchased or acquired	(2,600)		(2,900)
Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit losses	(20,297)		(21,441)
Total, net	2,689,748		2,625,800
Loans accounted for under the fair value option	1,758		3,182
Financing Receivable, At Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Portfolio layer method basis adjustment for hedged portfolio	(1,885)		939
Total | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	2,711,930		2,646,302
Cash, securities, and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	181,949		164,726
Allowance for credit losses	(1,229)	(1,047)	(1,150)	(1,150)	(391)	(410)
Cash, securities, and other | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	181,949		164,726
Consumer and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	21,092		22,778
Allowance for credit losses	(413)	(152)	(138)	(158)	(151)	(185)
Loans accounted for under the fair value option	1,800		3,200
Consumer and other | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	19,334		19,596
Construction and development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	196,307		189,081
Allowance for credit losses	(2,179)	(2,198)	(2,210)	(3,651)	(4,299)	(5,184)
Construction and development | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	196,307		189,081
1-4 family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	1,093,115		1,033,665
Allowance for credit losses	(6,072)	(6,029)	(5,846)	(5,544)	(5,321)	(5,200)
1-4 family residential | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	1,093,115		1,033,665
Non-owner occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	765,473		809,875
Allowance for credit losses	(3,766)	(4,150)	(4,359)	(4,323)	(4,310)	(4,340)
Non-owner occupied CRE | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	765,473		809,875
Owner occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	221,515		204,078
Allowance for credit losses	(924)	(853)	(846)	(737)	(915)	(654)
Owner occupied CRE | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	221,515		204,078
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	234,237		225,281
Allowance for credit losses	(5,714)	$ (6,372)	(6,892)	$ (3,431)	$ (2,569)	$ (2,357)
Commercial and industrial | Amortized Cost
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans (includes $1,758 and $3,182 measured at fair value, respectively)	$ 234,237		$ 225,281