OTHER BORROWINGS - Schedule of Other Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Subordinated deferrable interest debentures, net	$ 132,309	$ 130,315
Other borrowings	291,788	509,586
Fixed Rate Advance due January 10, 2024; fixed interest rate of 5.450%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 0	50,000
Debt instrument, interest rate, effective percentage (as a percent)	5.45%
Fixed Rate Advance due January 17, 2024; fixed interest rate of 5.460%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 0	100,000
Debt instrument, interest rate, effective percentage (as a percent)	5.46%
Fixed Rate Advance due January 21, 2025; fixed interest rate of 4.430%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 50,000	0
Debt instrument, interest rate, effective percentage (as a percent)	4.43%
Fixed Rate Advance due March 3, 2025; fixed interest rate of 1.208%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 15,000	15,000
Debt instrument, interest rate, effective percentage (as a percent)	1.208%
Fixed Rate Advance due March 2, 2027; fixed interest rate of 1.445%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 15,000	15,000
Debt instrument, interest rate, effective percentage (as a percent)	1.445%
Fixed Rate Advance due March 4, 2030; fixed interest rate of 1.606%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 15,000	15,000
Debt instrument, interest rate, effective percentage (as a percent)	1.606%
Fixed Rate Advance due December 9, 2030; fixed interest rate of 4.550%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 1,366	1,378
Debt instrument, interest rate, effective percentage (as a percent)	4.55%
Fixed Rate Advance due December 9, 2030; fixed interest rate of 4.550%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 946	954
Debt instrument, interest rate, effective percentage (as a percent)	4.55%
Principal Reducing Advance due September 29, 2031; fixed interest rate of 3.095%
Debt Instrument [Line Items]
Advance from correspondent bank	$ 984	1,128
Debt instrument, interest rate, effective percentage (as a percent)	3.095%
Subordinated notes payable due December 15, 2029 net of unamortized debt issuance cost of $0 and $1,296, respectively; fixed interest rate of 4.25% through December 14, 2024; variable interest rate thereafter at three-month SOFR plus 2.94% (2029 subordinated notes)
Debt Instrument [Line Items]
Subordinated deferrable interest debentures, net	$ 0	106,704
Debt instrument, interest rate, effective percentage (as a percent)	4.25%
Unamortized debt issuance expense	$ 0	1,296
Subordinated notes payable due December 15, 2029 net of unamortized debt issuance cost of $0 and $1,296, respectively; fixed interest rate of 4.25% through December 14, 2024; variable interest rate thereafter at three-month SOFR plus 2.94% (2029 subordinated notes) | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.94%
Subordinated notes payable due May 31, 2030 net of unaccreted purchase accounting fair value adjustment of $653 and $784, respectively; fixed interest rate of 5.875% through May 31, 2025; variable interest rate thereafter at three-month SOFR plus 3.63% (Bank subordinated notes) (1)
Debt Instrument [Line Items]
Subordinated deferrable interest debentures, net	$ 74,653	75,784
Debt instrument, interest rate, effective percentage (as a percent)	5.875%
Unaccreted purchase accounting fair value adjustment	$ (653)	(784)
Subordinated notes payable due May 31, 2030 net of unaccreted purchase accounting fair value adjustment of $653 and $784, respectively; fixed interest rate of 5.875% through May 31, 2025; variable interest rate thereafter at three-month SOFR plus 3.63% (Bank subordinated notes) (1) | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	3.63%
Subordinated notes payable due May 31, 2030 net of unaccreted purchase accounting fair value adjustment of $653 and $784, respectively; fixed interest rate of 5.875% through May 31, 2025; variable interest rate thereafter at three-month SOFR plus 3.63% (Bank subordinated notes) (1) | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	3.63%
Subordinated notes payable due October 1, 2030 net of unamortized debt issuance cost of $1,161 and $1,362, respectively; fixed interest rate of 3.875% through September 30, 2025; variable interest rate thereafter at three-month SOFR plus 3.753% (2030 subordinated notes)
Debt Instrument [Line Items]
Subordinated deferrable interest debentures, net	$ 108,839	108,638
Debt instrument, interest rate, effective percentage (as a percent)	3.875%
Unamortized debt issuance expense	$ 1,161	1,362
Subordinated notes payable due October 1, 2030 net of unamortized debt issuance cost of $1,161 and $1,362, respectively; fixed interest rate of 3.875% through September 30, 2025; variable interest rate thereafter at three-month SOFR plus 3.753% (2030 subordinated notes) | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	3.753%
Advance from correspondent bank due November 28, 2024; secured by a loan receivable; variable interest rate at one-month SOFR plus 2.50%
Debt Instrument [Line Items]
Other borrowings	$ 0	10,000
Advance from correspondent bank due November 28, 2024; secured by a loan receivable; variable interest rate at one-month SOFR plus 2.50% | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.50%
Advance from correspondent bank due December 1, 2025; secured by a loan receivable; variable interest rate at one-month SOFR plus 2.65%
Debt Instrument [Line Items]
Other borrowings	$ 10,000	$ 10,000
Advance from correspondent bank due December 1, 2025; secured by a loan receivable; variable interest rate at one-month SOFR plus 2.65% | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.65%