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Investments - Schedule of Principal Geographic Distribution of Municipal Bond Issuers Exceeding 5% of the Portfolio (Details) | Dec. 31, 2025 | Dec. 31, 2024
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Texas |  |
Municipal Bonds |  |
Percentage of municipal bond portfolio carrying value (as a percent) | 11.20% | 12.80%
Illinois |  |
Municipal Bonds |  |
Percentage of municipal bond portfolio carrying value (as a percent) | 11.20% | 6.10%
New York |  |
Municipal Bonds |  |
Percentage of municipal bond portfolio carrying value (as a percent) | 10.20% | 6.00%
Washington |  |
Municipal Bonds |  |
Percentage of municipal bond portfolio carrying value (as a percent) | 7.10% | 6.50%
California |  |
Municipal Bonds |  |
Percentage of municipal bond portfolio carrying value (as a percent) | 7.00% | 6.80%
Florida |  |
Municipal Bonds |  |
Percentage of municipal bond portfolio carrying value (as a percent) | 3.00% | 6.50%

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- References No definition available. + Details
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- Definition This element represents the amount of municipal bonds as a percentage of total carrying value. + References No definition available. + Details
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