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Accumulated Other Comprehensive Income (Loss) | 6 Months Ended
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Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Income (Loss) | 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 June 30, 2023 |  | Six Months Ended June 30, 2023
(In thousands) |  | Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of period |  | $ | (489,410) |  |  | $ | (102,777) |  |  | $ | (386,633) |  |  | $ | (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 |  | (52,056) |  |  | (10,931) |  |  | (41,125) |  |  | 31,303 |  |  | 6,574 |  |  | 24,729 |
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 |  | (5,154) |  |  | (1,082) |  |  | (4,072) |  |  | (10,386) |  |  | (2,181) |  |  | (8,205) |
Net unrealized gains (losses) on investments |  | (46,902) |  |  | (9,849) |  |  | (37,053) |  |  | 41,689 |  |  | 8,755 |  |  | 32,934 |
Other adjustments to comprehensive income (loss), net |  | — |  |  | — |  |  | — |  |  | 227 |  |  | 48 |  |  | 179 |
Other comprehensive income (loss) |  | (46,902) |  |  | (9,849) |  |  | (37,053) |  |  | 41,916 |  |  | 8,803 |  |  | 33,113 |
Balance at end of period |  | $ | (536,312) |  |  | $ | (112,626) |  |  | $ | (423,686) |  |  | $ | (536,312) |  |  | $ | (112,626) |  |  | $ | (423,686) |
|  | Three Months Ended June 30, 2022 |  | Six Months Ended June 30, 2022
(In thousands) |  | Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Balance at beginning of period |  | $ | (163,991) |  |  | $ | (34,438) |  |  | $ | (129,553) |  |  | $ | 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 |  | (256,538) |  |  | (53,873) |  |  | (202,665) |  |  | (574,629) |  |  | (120,672) |  |  | (453,957) |
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 |  | (3,940) |  |  | (827) |  |  | (3,113) |  |  | (5,918) |  |  | (1,243) |  |  | (4,675) |
Net unrealized gains (losses) on investments |  | (252,598) |  |  | (53,046) |  |  | (199,552) |  |  | (568,711) |  |  | (119,429) |  |  | (449,282) |
Other adjustments to comprehensive income, net |  | — |  |  | — |  |  | — |  |  | 106 |  |  | 22 |  |  | 84 |
Other comprehensive income (loss) |  | (252,598) |  |  | (53,046) |  |  | (199,552) |  |  | (568,605) |  |  | (119,407) |  |  | (449,198) |
Balance at end of period |  | $ | (416,589) |  |  | $ | (87,484) |  |  | $ | (329,105) |  |  | $ | (416,589) |  |  | $ | (87,484) |  |  | $ | (329,105) |
(1)Included in net gains (losses) on investments and other financial instruments on our condensed consolidated statements of operations.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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