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Investments - Contractual Maturities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |  |  |  |
Less: loaned securities |  | $ 179,692 |  | $ 139,121 |
Fixed-maturities available for sale, amortized cost |  | 5,449,992 |  | 5,511,501 |
Fair Value |  |  |  |  |
Less: loaned securities |  | 179,692 |  | 139,121 |
Total fixed-maturities available for sale, Fair Value |  | 5,108,278 |  | 5,074,920 |
Non asset-backed securities |  |  |  |  |
Amortized Cost |  |  |  |  |
Due in one year or less |  | 148,535 |  |  |
Due after one year through five years | [1] | 1,019,664 |  |  |
Due after five years through 10 years | [1] | 1,021,904 |  |  |
Due after 10 years | [1] | 902,030 |  |  |
Fair Value |  |  |  |  |
Due in one year or less |  | 146,434 |  |  |
Due after one year through five years | [1] | 995,687 |  |  |
Due after five years through 10 years | [1] | 986,687 |  |  |
Due after 10 years | [1] | 705,020 |  |  |
Asset-backed and mortgage-backed securities |  |  |  |  |
Amortized Cost |  |  |  |  |
Asset-backed and mortgage-backed securities | [2] | 2,492,298 |  |  |
Fair Value |  |  |  |  |
Asset-backed and mortgage-backed securities | [2] | 2,404,577 |  |  |
Total fixed-maturities available for sale |  |  |  |  |
Amortized Cost |  |  |  |  |
Total |  | 5,584,431 |  | 5,648,583 |
Fixed-maturities available for sale, amortized cost |  | 5,449,992 |  | 5,511,501 | [3]
Fair Value |  |  |  |  |
Total |  | 5,238,405 |  | 5,204,772 |
Total fixed-maturities available for sale, Fair Value |  | 5,108,278 |  | 5,074,920 | [3]
Fixed-maturities available for sale | Total fixed-maturities available for sale |  |  |  |  |
Amortized Cost |  |  |  |  |
Total |  | 5,584,431 |  |  |
Fair Value |  |  |  |  |
Total |  | 5,238,405 |  |  |
Loaned securities, amortized cost | Total fixed-maturities available for sale |  |  |  |  |
Amortized Cost |  |  |  |  |
Less: loaned securities |  | 134,439 | [3] | 137,082 |
Fair Value |  |  |  |  |
Less: loaned securities |  | 134,439 | [3] | 137,082 |
Loaned securities, fair value | Total fixed-maturities available for sale |  |  |  |  |
Amortized Cost |  |  |  |  |
Less: loaned securities |  | 130,127 | [3] | 129,852 |
Fair Value |  |  |  |  |
Less: loaned securities |  | $ 130,127 | [3] | $ 129,852 |
[1] | Actual maturities may differ as a result of calls before scheduled maturity.
[2] | Includes RMBS, CMBS, CLO, Other ABS and mortgage insurance-linked notes, which are not due at a single maturity date.
[3] | Included in other assets on our condensed consolidated balance sheets. See “Loaned Securities” below for a discussion of our securities lending agreements.

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