COMMITMENTS AND CONTINGENT LIABILITIES - Schedule of Guarantor Obligations (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments to extend credit	$ 6,318,039	$ 4,328,749
Unused home equity lines of credit	345,001	272,029
Financial standby letters of credit	33,557	36,184
Mortgage interest rate lock commitments	$ 148,148	$ 417,126