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Trust Investments (Preneed funeral trust investment security transactions) (Details) - Preneed Funeral Trust Investments [Member] - Interest Income and Other, Net [Member] - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Investment income | $ 604 | $ 409 | $ 862 | $ 982
Realized gain, net | 1,606 | 2,486 | 4,157 | 3,806
Realized losses | (2,053) | (1,007) | (3,182) | (424)
Expenses and taxes | (253) | (513) | (350) | (285)
Decrease in deferred preneed funeral receipts held in trust | $ 96 | $ (1,375) | $ (1,487) | $ (4,079)

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