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Cemetery Perpetual Care Trust Investments (Perpetual care trust investment security transactions recorded in Cemetery revenue) (Details) - Perpetual Care Trust Invesments [Member] - Cemetery Revenue [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 | $ 1,523 | $ 1,371 | $ 4,503 | $ 3,739
Realized gain, net | 14 | 213 | (444) | 497
Total | $ 1,537 | $ 1,584 | $ 4,059 | $ 4,236

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