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Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |
AOCI before Tax, Attributable to Parent | $ (9,504) |  | $ (9,504) |  | $ (16,767)
Accumulated Other Comprehensive Income (Loss), Tax (Expense) Benefit | 1,101 |  | 1,101 |  | 1,101
Accumulated other comprehensive loss | (8,403) |  | (8,403) |  | $ (15,666)
Change in net unrealized gains (losses) on investments, Pre-Tax Amount | 1,391 | $ 7,529 | 8,645 | $ 7,404 |
Reclassification adjustment for net realized investment losses (gains), Pre-Tax Amount | $ 0 | $ (3) | 1,382 | $ (124) |
Consolidated Entity Excluding Noncontrolling Interests |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |
Change in net unrealized gains (losses) on investments, Pre-Tax Amount |  |  | 8,645 |  |
Changes in net unrealized losses on investments,Tax (Expense) Benefit |  |  | (346) |  |
Changes in net unrealized losses on investments, Net-of-Tax Amount |  |  | 8,299 |  |
Reclassification adjustment for net realized investment losses (gains), Pre-Tax Amount |  |  | (1,382) |  |
Reclassification adjustment for realized gains, Tax (Expense) Benefit |  |  | 346 |  |
Reclassification adjustment for net realized gains, Net-of-Tax Amount |  |  | $ (1,036) |  |

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