LOANS - Summary of Loans Classified as Past Due in Excess of Thirty Days or More and Loans Classified as Non-Accrual (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30 to 89 Days	$ 8,900	$ 7,913
Past Due 90 Days or More and Still Accruing	1,641	1,163
Nonaccrual	17,287	5,980
PCD	3,051	4,710
Total Past Due, Nonaccrual and PCD	30,879	19,766
Total LHFI	5,407,231	5,170,042
Nonaccrual and PCD with No ACL	5,079	1,555
PPP loans	87	386
Commercial financial, and agriculture
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30 to 89 Days	498	2,043
Past Due 90 Days or More and Still Accruing	0	313
Nonaccrual	2,515	353
PCD	208	965
Total Past Due, Nonaccrual and PCD	3,221	3,674
Total LHFI	740,193	800,324
Nonaccrual and PCD with No ACL	120	465
Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30 to 89 Days	2,249	1,698
Past Due 90 Days or More and Still Accruing	0	630
Nonaccrual	9,093	3,790
PCD	345	647
Total Past Due, Nonaccrual and PCD	11,687	6,765
Total LHFI	3,323,681	3,059,155
Nonaccrual and PCD with No ACL	3,698	410
Consumer real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30 to 89 Days	5,941	3,992
Past Due 90 Days or More and Still Accruing	1,641	220
Nonaccrual	5,575	1,806
PCD	2,498	3,098
Total Past Due, Nonaccrual and PCD	15,655	9,116
Total LHFI	1,298,973	1,252,795
Nonaccrual and PCD with No ACL	1,254	680
Consumer installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due 30 to 89 Days	212	180
Past Due 90 Days or More and Still Accruing	0	0
Nonaccrual	104	31
PCD	0	0
Total Past Due, Nonaccrual and PCD	316	211
Total LHFI	44,384	57,768
Nonaccrual and PCD with No ACL	$ 7	$ 0