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Preneed Trust Investments (Estimated maturities of fixed preneed cemetery trust income securities) (Details) - Preneed Cemetery Trust Investments
$ in Thousands
Dec. 31, 2016
USD ($)
Schedule of Trading Securities and Other Trading Assets [Line Items]  
Due in one year or less $ 198
Due in one to five years 6,729
Due in five to ten years 5,813
Thereafter 32,580
Total $ 45,320