Preneed Trust Investments (Estimated maturities of fixed preneed funeral trust income securities) (Details) - Preneed Funeral Trust Investments [Member] $ in Thousands	Sep. 30, 2017 USD ($)
Schedule of Trading Securities and Other Trading Assets [Line Items]
Due in one year or less	$ 78
Due in one to five years	4,320
Due in five to ten years	6,208
Thereafter	35,000
Total	$ 45,606