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Trust Investments (Purchases and sales of investments in preneed funeral trusts) (Details) - Preneed Funeral Trust Investments - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Purchases | $ (5,237) | $ 0 | $ (13,987) | $ (590)
Sales | $ 5,135 | $ 8 | $ 10,820 | $ 538

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