SECURITIES - Schedule of Credit Quality Indicators (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	$ 602,328	$ 654,539
Aaa
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	381,093	431,527
Aa1/Aa2/Aa3
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	114,940	129,751
A1/A2
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	11,366	13,902
BBB
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	10,000	10,000
Not rated
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	$ 84,929	$ 69,359