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Trust Investments (Perpetual care trust investment security transactions recorded in Other revenue) (Details) - 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] |  |  |  |
Total | $ 95,041 | $ 84,393 | $ 279,955 | $ 239,360
Other Revenue [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Total | 6,788 | 6,877 | 20,324 | 18,319
Other Revenue [Member] | Preneed Funeral Trust Investments [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Investment income | 2,881 | 2,531 | 8,104 | 5,879
Realized gains (losses), net | (278) | 63 | (557) | 53
Total | $ 2,603 | $ 2,594 | $ 7,547 | $ 5,932

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