SECURITIES - Cost of HTM Securities, Aggregated by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]
Securities held-to-maturity	$ 691,484	$ 0
Aaa
Debt and Equity Securities, FV-NI [Line Items]
Securities held-to-maturity	467,736
Aa1/Aa2/Aa3
Debt and Equity Securities, FV-NI [Line Items]
Securities held-to-maturity	110,854
A1/A2
Debt and Equity Securities, FV-NI [Line Items]
Securities held-to-maturity	13,757
BBB
Debt and Equity Securities, FV-NI [Line Items]
Securities held-to-maturity	10,000
Not rated
Debt and Equity Securities, FV-NI [Line Items]
Securities held-to-maturity	$ 89,137