Allowance for Expected Credit Losses - Held-to-Maturity Fixed-Maturity Securities (Details) - USD ($) |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Allowance for Expected Credit Losses [Abstract] | ||
| Balance at beginning of period | $ 705,713,916 | $ 679,497,000 |
| Balance at beginning of period | 1,388,240 | 1,326,000 |
| Current period change for expected credit losses | (75,000) | 62,000 |
| Balance at end of period | 776,447,347 | 705,713,916 |
| Balance at end of period | $ 1,312,903 | $ 1,388,240 |
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- Definition Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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