LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans Accounted for on a Nonaccrual Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	$ 96,963	$ 102,218
Financing receivable, nonaccrual, no allowance	47,320	52,359
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	12,238	11,875
Financing receivable, nonaccrual, no allowance	2,306	3,866
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	715	782
Real estate – construction and development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	951	3,718
Financing receivable, nonaccrual, no allowance	0	2,624
Real estate – commercial and farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	6,760	11,960
Financing receivable, nonaccrual, no allowance	4,414	9,357
Real estate – residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	76,299	73,883
Financing receivable, nonaccrual, no allowance	40,600	36,512
Real estate – residential | GNMA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, nonaccrual	$ 19,700	$ 12,000