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Preneed 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, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Investment income | $ 409 | $ 479 | $ 982 | $ 891
Realized gain, net | 2,486 | 11 | 3,806 | 2,907
Realized losses | (1,007) | (782) | (424) | (1,391)
Expenses and taxes | (513) | (334) | (285) | (478)
Decrease in deferred preneed funeral receipts held in trust | $ (1,375) | $ 626 | $ (4,079) | $ (1,929)

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