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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of LHFI Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	$ 8,922		$ 16,086
ACL	34,860	$ 34,002	34,348	$ 41,110	$ 45,839	$ 50,540
Nonaccrual Loans with no ACL	3,182		9,444
Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	8,381		15,756
ACL	437		580
Non-Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	541		330
ACL	0		0
Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	5,000		13,808
ACL	1,289	1,388	1,204	1,557	1,704	1,953
Nonaccrual Loans with no ACL	0		8,808
Construction and land development \| Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	5,000		13,808
ACL	373		373
Construction and land development \| Non-Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	0		0
ACL	0		0
Real estate - other
Financing Receivable, Nonaccrual [Line Items]
ACL	25,718	24,897	24,590	25,978	26,929	29,399
Real estate - other \| 1-4 family residential
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	2,661		0
Nonaccrual Loans with no ACL	2,661
Real estate - other \| 1-4 family residential \| Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	2,661
ACL	0
Real estate - other \| 1-4 family residential \| Non-Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	0
ACL	0
Real estate - other \| Commercial real estate and other
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	83		83
Nonaccrual Loans with no ACL	83		83
Real estate - other \| Commercial real estate and other \| Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	83		83
ACL	0		0
Real estate - other \| Commercial real estate and other \| Non-Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	0		0
ACL	0		0
Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	1,178		2,195
ACL	7,842	$ 7,708	8,544	$ 12,585	$ 16,164	$ 18,056
Nonaccrual Loans with no ACL	438		553
Commercial and industrial \| Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	637		1,865
ACL	64		207
Commercial and industrial \| Non-Collateral Dependent Loans
Financing Receivable, Nonaccrual [Line Items]
Total Nonaccrual Loans	541		330
ACL	$ 0		$ 0