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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 | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |  |
Investment income | $ 596 | $ 554 | $ 1,639 | $ 1,982
Realized gain, net | 131 | 1,218 | 525 | 3,791
Realized losses | (716) | (504) | (4,090) | (1,374)
Expenses and taxes | (253) | 140 | (946) | (694)
Decrease in deferred preneed funeral receipts held in trust | $ 242 | $ (1,408) | $ 2,872 | $ (3,705)

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