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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, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Schedule of Trading Securities and Other Trading Assets [Line Items]        
Investment income $ 703 $ 872 $ 1,043 $ 1,428
Realized gain, net 250 2,279 394 2,573
Realized losses (978) (245) (3,374) (870)
Expenses and taxes (446) (574) (693) (834)
Decrease in deferred preneed funeral receipts held in trust $ 471 $ (2,332) $ 2,630 $ (2,297)