FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Overnight borrowings with FHLB	$ 470,576	$ 379,530
FHLB interest rate	5.58%	4.61%
Unused short-term overnight borrowing capacity from FHLB	$ 3,300,000
Federal Reserve Bank of New York [Member]
Debt Instrument [Line Items]
Overnight borrowings with FHLB	$ 470,600	$ 379,500