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INVESTMENTS - Fixed Maturities Held to Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Held to maturity |  |
Amortized cost | $ 389,571 | $ 443,400
Allowance for expected credit losses | 0 | 0
Net carrying value | 389,571 | 443,400
Gross unrealized gains | 1,270 | 1,235
Gross unrealized losses | (7,014) | (7,884)
Fair value | 383,827 | 436,751
Corporate debt |  |
Held to maturity |  |
Amortized cost | 128,906 | 122,706
Allowance for expected credit losses | 0 | 0
Net carrying value | 128,906 | 122,706
Gross unrealized gains | 1,001 | 675
Gross unrealized losses | (6,814) | (7,764)
Fair value | 123,093 | 115,617
Held-to-maturity securities with maturity after one year through three years | 28,000 | 28,000
Held-to-maturity securities with maturity after three years through ten years | 98,000 | 95,000
Held-to-maturity securities with maturity after ten years | 3,000 | 0
ABS |  |
Held to maturity |  |
Amortized cost | 260,665 | 320,694
Allowance for expected credit losses | 0 | 0
Net carrying value | 260,665 | 320,694
Gross unrealized gains | 269 | 560
Gross unrealized losses | (200) | (120)
Fair value | 260,734 | 321,134
Held-to-maturity securities without a single maturity date | $ 261,000 | $ 321,000

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