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Trust Investments (Perpetual care trust investment security transactions recorded in Other, net) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Gain (Loss) on Securities [Line Items] |  |  |  |
Realized gains | $ 275 | $ 773 | $ 2,224 | $ 1,921
Realized gains (losses), net | (26) | (249) | (942) | (1,534)
Net change in Care trusts’ corpus | 2,821 | (1,632) | (5,029) | 1,962
Interest Expense Net of Other Income |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Unrealized Gain (Loss) on Investments | $ (3,070) | $ 1,108 | $ 3,747 | $ (2,349)

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