SECURITIES - Additional Information (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Apr. 01, 2022
Information related to available for sale securities
Fair value of held-to-maturity securities transferred from available-for sale			$ 127,000,000
Unrealized loss of held-to-maturity securities transferred from available-for sale	$ 20,900,000		24,400,000
Unrealized loss of held-to-maturity securities transferred from available-for sale, net of tax	16,500,000		$ 19,300,000
Available-for-sale Securities pledged as collateral	792,000,000.0	$ 298,200,000
Debt securities, available-for-sale, allowance for credit loss	0	0
Accrued interest receivable on available-for-sale and held-to-maturity debt securities	$ 7,600,000	$ 8,900,000
Securities backed by government or investment grade	99.00%