COMMITMENTS AND CONTINGENT LIABILITIES - Schedule of Guarantor Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments to extend credit	$ 4,412,818	$ 6,318,039
Unused home equity lines of credit	386,574	345,001
Financial standby letters of credit	37,546	33,557
Mortgage interest rate lock commitments	$ 171,750	$ 148,148