DEPOSITS - Summary of Certain Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deposits [Abstract]
Non-interest bearing demand deposits	$ 1,353,477	$ 1,736,761
Savings and transaction accounts:
Savings deposits	301,168	403,773
Interest bearing demand deposits	3,049,059	2,693,900
Time deposits:
Other time deposits	224,083	170,759
Deposits of $100,000 to $250,000	235,096	185,194
Deposits of $250,000 or more	557,642	270,233
Total deposits	$ 5,720,525	$ 5,460,620