Cemetery Perpetual Care Trusts Investments Classifed by Contractual Maturity Date (Details) - Cemetery Perpetual Care [Member] $ in Thousands	Dec. 31, 2016 USD ($)
Investments Classified By Contractual Maturity Date [Line Items]
Due in one year or less	$ 1,834
Due in one to five years	17,283
Due in five to ten years	69
Thereafter	201
Total	$ 19,387