SECURITIES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]
Transfer from securities held-to-maturity	$ 0	$ 0
Securities available-for-sale transferred to held-to-maturity		372,154,000	$ 140,399,000
Unrealized loss on transfer of securities to held to maturity	(27,700,000)
Gain (loss) on transfer of securities to held-to-maturity	$ 0
Transfer to securities held-to-maturity		$ 372,200,000
Transfers to or from securities held-to-maturity			0
Financial Instrument, Owned, Pledged Status [Extensible Enumeration]	Securities pledged	Securities pledged
Net loss on equity securities	$ 758,000
Number of holdings of securities of any one issuer in an amount greater than 10% of stockholders equity	0	0
Threshold for disclosure percentage	10.00%	10.00%
Available for sale debt securities, unrealized loss position due to credit	$ 0
Allowance for credit losses on available for sale debt securities	0
Accrued interest receivable on securities	5,300,000	$ 5,400,000
Securities pledged
Debt and Equity Securities, FV-NI [Line Items]
Carrying amount of securities pledged	457,700,000	$ 631,400,000
Fair Value
Debt and Equity Securities, FV-NI [Line Items]
Securities available-for-sale transferred to held-to-maturity			$ 140,400,000
Other assets
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 2,200,000