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Preneed Trust Investments (Preneed cemetery trust investment security transactions) (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Fair value measurements, transfers between Level 1 and Level 2 |  |  | $ 0 |
Preneed Cemetery Trust Investments [Member] | Interest Income and Other, Net [Member] |  |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |  |
Investment income | $ 323,000 | $ 315,000 | 1,308,000 | $ 1,214,000
Realized gain, net | 1,180,000 | 1,376,000 | 5,001,000 | 2,247,000
Realized losses | (1,527,000) | (1,141,000) | (3,163,000) | (2,498,000)
Expenses and taxes | (396,000) | (365,000) | (1,081,000) | (637,000)
Increase (decrease) in deferred preneed cemetery receipts held in trust | $ 420,000 | $ (185,000) | $ (2,065,000) | $ (326,000)

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