DEBT SECURITIES - AFS debt securities that were in an unrealized loss position (Details) $ in Thousands	Mar. 31, 2026 USD ($) security	Dec. 31, 2025 USD ($) security
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Number of Securities | security	3	6
Less than 12 months, fair value	$ 12,462	$ 27,693
Less than 12 months, unrealized losses	(67)	(70)
12 months or more, fair value	0	0
12 months or more, unrealized losses	0	0
Total, fair value	12,462	27,693
Total, unrealized losses	$ (67)	$ (70)
Residential mortgage-backed securities issued by U.S. government agencies and sponsored enterprises
Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items]
Number of Securities | security	3	6
Less than 12 months, fair value	$ 12,462	$ 27,693
Less than 12 months, unrealized losses	(67)	(70)
12 months or more, fair value	0	0
12 months or more, unrealized losses	0	0
Total, fair value	12,462	27,693
Total, unrealized losses	$ (67)	$ (70)