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Trust Investments (Purchases and sales of investments in preneed cemetery trusts) (Details) - Preneed Cemetery Trust Investments - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Purchases | $ 0 | $ (5,481) | $ (11,110) | $ (14,619)
Sales | $ 0 | $ 5,368 | $ 21,737 | $ 11,230

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