BORROWINGS - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Jul. 24, 2025
Debt Instrument [Line Items]
Advances from federal home loan banks	$ 164,000	$ 164,000	$ 437,000
Open Repo borrowing at an interest rate of 3.97% and 3.93% at March 31, 2026 and December 31, 2025, respectfully. The maximum amount of the Open Repo borrowing available is $250,000.
Debt Instrument [Line Items]
Fixed interest rate	3.97%	3.93%
Federal home loan balance	$ 250,000	$ 250,000
Advances from federal home loan banks	$ 164,000	$ 164,000