BORROWED FUNDS - Borrowed Funds by Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Federal funds purchased
Debt Instrument [Line Items]
Balance at End of Period	$ 0	$ 0
Weighted Average Interest Rate	0.00%	0.00%
Maximum Outstanding at Month End During the Period	$ 170,000	$ 130,000
Average Amount Outstanding During the Year	$ 6,735	$ 33,195
Weighted Average Interest Rate During the Year	5.09%	5.04%
FHLB advances
Debt Instrument [Line Items]
Balance at End of Period	$ 51,040	$ 0
Weighted Average Interest Rate	4.33%	0.00%
Maximum Outstanding at Month End During the Period	$ 172,306	$ 800,000
Average Amount Outstanding During the Year	$ 56,855	$ 103,268
Weighted Average Interest Rate During the Year	5.22%	5.18%
Trust preferred borrowings
Debt Instrument [Line Items]
Balance at End of Period	$ 90,834	$ 90,638
Weighted Average Interest Rate	6.59%	7.51%
Maximum Outstanding at Month End During the Period	$ 90,834	$ 90,638
Average Amount Outstanding During the Year	$ 90,730	$ 90,534
Weighted Average Interest Rate During the Year	7.62%	7.44%
Senior and subordinated debt
Debt Instrument [Line Items]
Balance at End of Period	$ 218,631	$ 218,400
Weighted Average Interest Rate	4.01%	4.34%
Maximum Outstanding at Month End During the Period	$ 218,631	$ 248,189
Average Amount Outstanding During the Year	$ 218,507	$ 221,975
Weighted Average Interest Rate During the Year	4.43%	4.42%
Other borrowed funds
Debt Instrument [Line Items]
Balance at End of Period	$ 23,102	$ 586,038
Weighted Average Interest Rate	0.30%	0.28%
Maximum Outstanding at Month End During the Period	$ 825,152	$ 739,346
Average Amount Outstanding During the Year	$ 639,186	$ 409,002
Weighted Average Interest Rate During the Year	4.62%	4.41%