LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	$ 133,268	$ 56,208
Nonaccrual With No ACL	74,890	48,986
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	95,117	8,502
Nonaccrual With No ACL	42,026	8,502
Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	0	0
Nonaccrual With No ACL	0	0
1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	2,399	1,790
Nonaccrual With No ACL	1,961	1,790
Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	330	458
Nonaccrual With No ACL	330	458
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	35,422	45,446
Nonaccrual With No ACL	30,573	38,224
Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	0	0
Nonaccrual With No ACL	0	0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	0	12
Nonaccrual With No ACL	0	12
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Nonaccrual	0	0
Nonaccrual With No ACL	$ 0	$ 0