SUBORDINATED DEFERRABLE INTEREST DEBENTURES - Schedule of Subordinated Deferrable Interest Debentures (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)
Securities Financing Transaction [Line Items]
Issuance Amount	$ 154,390
Unaccreted Purchase Discount	22,081
Carrying Value	$ 132,309
Prosperity Bank Statutory Trust II
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	3.15%
Trust preferred securities interest rate (as a percent)	7.74%
Issuance Amount	$ 4,640
Unaccreted Purchase Discount	653
Carrying Value	$ 3,987
Fidelity Southern Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	3.10%
Trust preferred securities interest rate (as a percent)	7.69%
Issuance Amount	$ 15,464
Unaccreted Purchase Discount	835
Carrying Value	$ 14,629
Coastal Bankshares Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	3.15%
Trust preferred securities interest rate (as a percent)	8.07%
Issuance Amount	$ 5,155
Unaccreted Purchase Discount	677
Carrying Value	$ 4,478
Jacksonville Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	2.63%
Trust preferred securities interest rate (as a percent)	7.24%
Issuance Amount	$ 4,124
Unaccreted Purchase Discount	570
Carrying Value	$ 3,554
Prosperity Banking Capital Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	2.57%
Trust preferred securities interest rate (as a percent)	7.16%
Issuance Amount	$ 5,155
Unaccreted Purchase Discount	973
Carrying Value	$ 4,182
Merchants & Southern Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.90%
Trust preferred securities interest rate (as a percent)	6.51%
Issuance Amount	$ 3,093
Unaccreted Purchase Discount	647
Carrying Value	$ 2,446
Fidelity Southern Statutory Trust II
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.89%
Trust preferred securities interest rate (as a percent)	6.50%
Issuance Amount	$ 10,310
Unaccreted Purchase Discount	1,472
Carrying Value	$ 8,838
Atlantic BancGroup, Inc. Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.50%
Trust preferred securities interest rate (as a percent)	6.12%
Issuance Amount	$ 3,093
Unaccreted Purchase Discount	828
Carrying Value	$ 2,265
Coastal Bankshares Statutory Trust II
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.60%
Trust preferred securities interest rate (as a percent)	6.22%
Issuance Amount	$ 10,310
Unaccreted Purchase Discount	2,509
Carrying Value	$ 7,801
Cherokee Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.50%
Trust preferred securities interest rate (as a percent)	6.12%
Issuance Amount	$ 3,093
Unaccreted Purchase Discount	502
Carrying Value	$ 2,591
Prosperity Bank Statutory Trust III
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.60%
Trust preferred securities interest rate (as a percent)	6.22%
Issuance Amount	$ 10,310
Unaccreted Purchase Discount	2,804
Carrying Value	$ 7,506
Merchants & Southern Statutory Trust II
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.50%
Trust preferred securities interest rate (as a percent)	6.12%
Issuance Amount	$ 3,093
Unaccreted Purchase Discount	771
Carrying Value	$ 2,322
Jacksonville Statutory Trust II
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.73%
Trust preferred securities interest rate (as a percent)	6.35%
Issuance Amount	$ 3,093
Unaccreted Purchase Discount	699
Carrying Value	$ 2,394
Ameris Statutory Trust I
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.63%
Trust preferred securities interest rate (as a percent)	6.25%
Issuance Amount	$ 37,114
Unaccreted Purchase Discount	0
Carrying Value	$ 37,114
Fidelity Southern Statutory Trust III
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.40%
Trust preferred securities interest rate (as a percent)	6.02%
Issuance Amount	$ 20,619
Unaccreted Purchase Discount	4,218
Carrying Value	$ 16,401
Prosperity Bank Statutory Trust IV
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	1.54%
Trust preferred securities interest rate (as a percent)	6.16%
Issuance Amount	$ 7,940
Unaccreted Purchase Discount	3,155
Carrying Value	$ 4,785
Jacksonville Bancorp, Inc. Statutory Trust III
Securities Financing Transaction [Line Items]
Trust preferred securities, variable basis spread (as a percent)	3.75%
Trust preferred securities interest rate (as a percent)	8.37%
Issuance Amount	$ 7,784
Unaccreted Purchase Discount	768
Carrying Value	$ 7,016