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Investments, Change in Realized and Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023
Gain (Loss) on Securities [Line Items] |  |
Change in net realized and unrealized investment losses | $ 37,500 | $ 81,200

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- Definition Increase (decrease) in gain (loss) on investments + References No definition available. + Details
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Period Type: | duration

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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. + References No definition available. + Details
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