LOANS AND ALLOWANCE FOR CREDIT LOSSES - Amortized Cost of Nonaccrual Loans by Class, With and Without Loan Reserves (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	$ 4,550	$ 6,387
Nonaccrual loans with no related ACL	21,641	17,724
Total nonaccrual loans	26,191	24,111
Loans Past Due 90+ Accruing	497	641
Commercial real estate | Owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	227	232
Nonaccrual loans with no related ACL	5,690	4,046
Total nonaccrual loans	5,917	4,278
Loans Past Due 90+ Accruing	0	0
Commercial real estate | Non-owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	147	1,466
Total nonaccrual loans	147	1,466
Loans Past Due 90+ Accruing	0	0
Commercial real estate | Multi-family
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	136	721
Total nonaccrual loans	136	721
Loans Past Due 90+ Accruing	0	237
Commercial real estate | Non-owner occupied residential
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	473	175
Total nonaccrual loans	473	175
Loans Past Due 90+ Accruing	0	0
Acquisition and development | Commercial and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	3,005	3,282
Nonaccrual loans with no related ACL	5,535	376
Total nonaccrual loans	8,540	3,658
Loans Past Due 90+ Accruing	0	0
Agricultural
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	10	797
Total nonaccrual loans	10	797
Loans Past Due 90+ Accruing	0	0
Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	1,313	2,822
Nonaccrual loans with no related ACL	840	2,678
Total nonaccrual loans	2,153	5,500
Loans Past Due 90+ Accruing	0	113
Residential mortgage | First lien
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	6,131	5,077
Total nonaccrual loans	6,131	5,077
Loans Past Due 90+ Accruing	150	243
Residential mortgage | Home equity - term
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	36
Nonaccrual loans with no related ACL	128	34
Total nonaccrual loans	128	70
Loans Past Due 90+ Accruing	0	18
Residential mortgage | Home equity - lines of credit
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	2,551	2,344
Total nonaccrual loans	2,551	2,344
Loans Past Due 90+ Accruing	0	30
Residential mortgage | Other - term
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	0	0
Nonaccrual loans with no related ACL	0	0
Total nonaccrual loans	0	0
Loans Past Due 90+ Accruing	347	0
Installment and other loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans with a related ACL	5	15
Nonaccrual loans with no related ACL	0	10
Total nonaccrual loans	5	25
Loans Past Due 90+ Accruing	$ 0	$ 0