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Trust Investments (Purchases and sales of investments in the perpetual care 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
Gain (Loss) on Securities [Line Items] |  |  |  |
Purchases | $ 4,625 | $ 233 | $ 11,336 | $ 644
Sales | $ 4,529 | $ 0 | $ 15,433 | $ 441

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