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INVESTMENTS - Schedule of Contractual Maturities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Amortized cost |  |
Due in one year or less | $ 895,177 | $ 474,557
Due after one year through five years | 5,637,336 | 5,902,571
Due after five years through ten years | 1,895,116 | 2,064,619
Due after ten years | 214,595 | 157,653
Total fixed maturities with a single maturity date (amortized cost) | 8,642,224 | 8,599,400
Amortized cost | 12,419,905 | 12,634,254
Fair value |  |
Due in one year or less | 885,866 | 463,789
Due after one year through five years | 5,567,905 | 5,790,493
Due after five years through ten years | 1,826,564 | 1,954,449
Due after ten years | 205,597 | 155,287
Total fixed maturities with a single maturity date (fair value) | 8,485,932 | 8,364,018
Fair value | $ 12,152,753 | $ 12,234,742
% of Total fair value |  |
Due in one year or less | 7.40% | 3.60%
Due after one year through five years | 45.80% | 47.30%
Due after five years through ten years | 15.00% | 16.00%
Due after ten years | 1.70% | 1.30%
Fixed maturities with a single maturity date (% of total fair value) | 69.90% | 68.20%
Total | 100.00% | 100.00%
Agency RMBS |  |
Amortized cost |  |
Fixed maturities without a single maturity date | $ 1,245,681 | $ 1,706,204
Amortized cost | 1,245,681 | 1,706,204
Fair value |  |
Fixed maturities without a single maturity date (fair value) | 1,184,845 | 1,634,661
Fair value | $ 1,184,845 | $ 1,634,661
% of Total fair value |  |
Fixed maturities without a single maturity date (% of total fair value) | 9.70% | 13.40%
CMBS |  |
Amortized cost |  |
Fixed maturities without a single maturity date | $ 852,534 | $ 897,553
Amortized cost | 852,534 | 897,553
Fair value |  |
Fixed maturities without a single maturity date (fair value) | 819,608 | 839,696
Fair value | $ 819,608 | $ 839,696
% of Total fair value |  |
Fixed maturities without a single maturity date (% of total fair value) | 6.70% | 6.90%
Non-agency RMBS |  |
Amortized cost |  |
Fixed maturities without a single maturity date | $ 132,116 | $ 165,910
Amortized cost | 132,116 | 165,910
Fair value |  |
Fixed maturities without a single maturity date (fair value) | 122,536 | 153,396
Fair value | $ 122,536 | $ 153,396
% of Total fair value |  |
Fixed maturities without a single maturity date (% of total fair value) | 1.00% | 1.30%
ABS |  |
Amortized cost |  |
Fixed maturities without a single maturity date | $ 1,547,350 | $ 1,265,187
Amortized cost | 1,547,350 | 1,265,187
Fair value |  |
Fixed maturities without a single maturity date (fair value) | 1,539,832 | 1,242,971
Fair value | $ 1,539,832 | $ 1,242,971
% of Total fair value |  |
Fixed maturities without a single maturity date (% of total fair value) | 12.70% | 10.20%

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