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INVESTMENTS - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
INVESTMENTS - Narrative (Details) - USD ($)	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Allowance for credit losses	$ 0		$ 0		$ 0
Gains or losses from the sale of AFS securities	0	$ 0	0	$ 0
Collateralized Mortgage-Backed Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, mortgage-backed securities with no stated maturities, amortized cost	157,000,000		157,000,000
Available-for-sale, mortgage-backed securities with no stated maturities, fair value	$ 141,000,000		$ 141,000,000
Weighted average yield	3.29%		3.29%
Municipal Bonds
Debt Securities, Available-for-Sale [Line Items]
Weighted average yield	3.84%		3.84%
Available-for-sale, mortgage-backed securities with stated maturities after ten years, amortized cost	$ 30,000,000		$ 30,000,000
Available-for-sale, mortgage-backed securities with stated maturities after ten years, fair value	$ 27,000,000		$ 27,000,000