ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan amount of credit quality analysis	$ 250,000
Loans receivable before allowance for credit loss	4,870,965,000	$ 4,710,396,000
PPP | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable before allowance for credit loss	$ 1,500,000	$ 1,500,000