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Trust Investments (Perpetual care trust investment security transactions recorded in Other revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Gain (Loss) on Securities [Line Items] |  |
Total | $ 77,490 | $ 69,081
Preneed Funeral Trust Investments [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Realized losses, net | (679) | (171)
Other revenue |  |
Gain (Loss) on Securities [Line Items] |  |
Total | 5,487 | 3,850
Other revenue | Preneed Funeral Trust Investments [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Investment income | 1,405 | 1,087
Realized losses, net | (36) | (290)
Total | $ 1,369 | $ 797

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