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Revenue from Contracts with Customers - Summary of Renewal Commissions Receivable (Details) - Corporate and Other Distributed Products Segment Revenues [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation Of Revenue [Line Items] |  |  |  |
Balance, beginning of period | $ 56,815 | $ 59,880 | $ 58,079 | $ 61,372
Commissions revenue | 4,830 | 4,988 | 15,906 | 15,890
Less: collections | (6,207) | (6,263) | (18,547) | (18,657)
Balance, at the end of period | $ 55,438 | $ 58,605 | $ 55,438 | $ 58,605

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