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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Rollforward of Accumulated Other Comprehensive Income (loss) | The following table shows the rollforward of accumulated other comprehensive income (loss) for the year ended December 31:
|  | 2023 |  | 2022
(In thousands) |  | Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of year |  | $ | (443,230) |  |  | $ | 60,440 |  |  | $ | (382,790) |  |  | $ | 65,280 |  |  | $ | (14,573) |  |  | $ | 50,707 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding (losses) gains on investments: |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding (losses) gains arising during the year |  | 113,034 |  |  | (16,633) |  |  | 96,401 |  |  | (521,682) |  |  | 75,118 |  |  | (446,564) |
Less: Reclassification adjustment for losses (gains) included in net income (1) |  | 7,204 |  |  | (1,311) |  |  | 5,893 |  |  | 13,172 |  |  | (105) |  |  | 13,067 |
Net unrealized (losses) gains on investments |  | 120,238 |  |  | (17,944) |  |  | 102,294 |  |  | (508,510) |  |  | 75,013 |  |  | (433,497) |
Other comprehensive (loss) gain |  | 120,238 |  |  | (17,944) |  |  | 102,294 |  |  | (508,510) |  |  | 75,013 |  |  | (433,497) |
Balance at end of year |  | $ | (322,992) |  |  | $ | 42,496 |  |  | $ | (280,496) |  |  | $ | (443,230) |  |  | $ | 60,440 |  |  | $ | (382,790) |
_______________________________________________________________________________ (1)Included in net realized investments gains on our consolidated statements of comprehensive income.

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