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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following tables show the rollforward of accumulated other comprehensive income (loss) as of the periods indicated.
Rollforward of accumulated other comprehensive income (loss)
|  | Three Months Ended September 30, 2023 |  | Nine Months Ended September 30, 2023
(In thousands) |  | Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of period |  | $ | (536,312) |  |  | $ | (112,626) |  |  | $ | (423,686) |  |  | $ | (578,228) |  |  | $ | (121,429) |  |  | $ | (456,799) |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains (losses) on investments arising during the period for which an allowance for expected credit losses has not been recognized |  | (126,080) |  |  | (26,477) |  |  | (99,603) |  |  | (94,777) |  |  | (19,903) |  |  | (74,874) |
Less: Reclassification adjustment for net gains (losses) on investments included in net income (1) |  |  |  |  |  |  |  |  |  |  |  |
Net realized gains (losses) on disposals and non-credit related impairment losses |  | (2,794) |  |  | (587) |  |  | (2,207) |  |  | (13,180) |  |  | (2,768) |  |  | (10,412) |
Net unrealized gains (losses) on investments |  | (123,286) |  |  | (25,890) |  |  | (97,396) |  |  | (81,597) |  |  | (17,135) |  |  | (64,462) |
Other adjustments to comprehensive income (loss), net |  | — |  |  | — |  |  | — |  |  | 227 |  |  | 48 |  |  | 179 |
Other comprehensive income (loss) |  | (123,286) |  |  | (25,890) |  |  | (97,396) |  |  | (81,370) |  |  | (17,087) |  |  | (64,283) |
Balance at end of period |  | $ | (659,598) |  |  | $ | (138,516) |  |  | $ | (521,082) |  |  | $ | (659,598) |  |  | $ | (138,516) |  |  | $ | (521,082) |
|  | Three Months Ended September 30, 2022 |  | Nine Months Ended September 30, 2022
(In thousands) |  | Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of period |  | $ | (416,589) |  |  | $ | (87,484) |  |  | $ | (329,105) |  |  | $ | 152,016 |  |  | $ | 31,923 |  |  | $ | 120,093 |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains (losses) on investments arising during the period for which an allowance for expected credit losses has not been recognized |  | (223,279) |  |  | (46,888) |  |  | (176,391) |  |  | (797,908) |  |  | (167,560) |  |  | (630,348) |
Less: Reclassification adjustment for net gains (losses) on investments included in net income (1) |  |  |  |  |  |  |  |  |  |  |  |
Net realized gains (losses) on disposals and non-credit related impairment losses |  | (4,153) |  |  | (872) |  |  | (3,281) |  |  | (10,071) |  |  | (2,115) |  |  | (7,956) |
Net unrealized gains (losses) on investments |  | (219,126) |  |  | (46,016) |  |  | (173,110) |  |  | (787,837) |  |  | (165,445) |  |  | (622,392) |
Other adjustments to comprehensive income, net |  | — |  |  | — |  |  | — |  |  | 106 |  |  | 22 |  |  | 84 |
Other comprehensive income (loss) |  | (219,126) |  |  | (46,016) |  |  | (173,110) |  |  | (787,731) |  |  | (165,423) |  |  | (622,308) |
Balance at end of period |  | $ | (635,715) |  |  | $ | (133,500) |  |  | $ | (502,215) |  |  | $ | (635,715) |  |  | $ | (133,500) |  |  | $ | (502,215) |
(1)Included in net gains (losses) on investments and other financial instruments on our condensed consolidated statements of operations.

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