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Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2021
Comprehensive Income Note Disclosure [Abstract] |
Details about amounts reclassified from AOCI | The following tables present details about amounts reclassified from accumulated other comprehensive income and the tax effects allocated to each component of other comprehensive income (loss):
|  |  |  | Amounts Reclassified from AOCI
|  | Consolidated Statement of Income |  | Three Months Ended |  | Nine Months Ended
Details About |  | Line Item That Includes |  | September 30, |  | September 30,
AOCI Components |  | Reclassification |  | 2021 |  | 2020 |  | 2021 |  | 2020
Unrealized appreciation on available-for-sale investments |  |  |  |  |  |  |  |
|  | Net realized gains (losses) |  | $ | 68,373 |  |  | $ | 87,871 |  |  | $ | 135,291 |  |  | $ | 416,432 |
|  | Provision for credit losses |  | (457) |  |  | 1,333 |  |  | (1,208) |  |  | (4,762) |
|  | Other-than-temporary impairment losses |  | — |  |  | — |  |  | — |  |  | (533) |
|  | Total before tax |  | 67,916 |  |  | 89,204 |  |  | 134,083 |  |  | 411,137 |
|  | Income tax (expense) benefit |  | (5,262) |  |  | (9,401) |  |  | (13,579) |  |  | (42,714) |
|  | Net of tax |  | $ | 62,654 |  |  | $ | 79,803 |  |  | $ | 120,504 |  |  | $ | 368,423 |
Schedule of comprehensive income (loss) |
| Before Tax Amount |  | Tax Expense (Benefit) |  | Net of Tax Amount
Three Months Ended September 30, 2021 |  |  |  |  |
Unrealized appreciation (decline) in value of investments: |  |  |  |  |
Unrealized holding gains (losses) arising during period | $ | (104,607) |  |  | $ | (8,684) |  |  | $ | (95,923) |
Less reclassification of net realized gains (losses) included in net income | 67,916 |  |  | 5,262 |  |  | 62,654 |
Foreign currency translation adjustments | (32,060) |  |  | (350) |  |  | (31,710) |
Other comprehensive income (loss) | $ | (204,583) |  |  | $ | (14,296) |  |  | $ | (190,287) |
Three Months Ended September 30, 2020 |  |  |  |  |
Unrealized appreciation (decline) in value of investments: |  |  |  |  |
Unrealized holding gains (losses) arising during period | $ | 119,265 |  |  | $ | 8,483 |  |  | $ | 110,782 |
Less reclassification of net realized gains (losses) included in net income | 89,204 |  |  | 9,401 |  |  | 79,803 |
Foreign currency translation adjustments | 16,918 |  |  | 209 |  |  | 16,709 |
Other comprehensive income (loss) | $ | 46,979 |  |  | $ | (709) |  |  | $ | 47,688 |
Nine Months Ended September 30, 2021 |  |  |  |  |
Unrealized appreciation (decline) in value of investments: |  |  |  |  |
Unrealized holding gains (losses) arising during period | $ | (307,910) |  |  | $ | (28,808) |  |  | $ | (279,102) |
Less reclassification of net realized gains (losses) included in net income | 134,083 |  |  | 13,579 |  |  | 120,504 |
Foreign currency translation adjustments | (54,083) |  |  | 6 |  |  | (54,089) |
Other comprehensive income (loss) | $ | (496,076) |  |  | $ | (42,381) |  |  | $ | (453,695) |
Nine Months Ended September 30, 2020 |  |  |  |  |
Unrealized appreciation (decline) in value of investments: |  |  |  |  |
Unrealized holding gains (losses) arising during period | $ | 611,390 |  |  | $ | 65,099 |  |  | $ | 546,291 |
Less reclassification of net realized gains (losses) included in net income | 411,137 |  |  | 42,714 |  |  | 368,423 |
Foreign currency translation adjustments | (5,911) |  |  | (182) |  |  | (5,729) |
Other comprehensive income (loss) | $ | 194,342 |  |  | $ | 22,203 |  |  | $ | 172,139 |

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- Definition Comprehensive Income Note Disclosure [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e526-108580 + Details
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