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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, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Gain (Loss) on Securities [Line Items] |  |  |  |
Total | $ 84,393 | $ 66,125 | $ 239,360 | $ 202,958
Other Revenue [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Total | 6,877 | 3,990 | 18,319 | 12,056
Other Revenue [Member] | Preneed Funeral Trust Investments [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Investment income | 2,531 | 1,220 | 5,879 | 3,414
Realized gains (losses), net | 63 | (232) | 53 | (512)
Total | $ 2,594 | $ 988 | $ 5,932 | $ 2,902

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