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Preneed Trust Investments Preneed Trust Investments (Estimated maturities of fixed preneed funeral trust income securities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Preneed Cemetery Trust Investments    
Debt Securities, Available-for-sale [Line Items]    
Due in one year or less $ 0 $ 303
Due in one to five years 2,116 2,183
Due in five to ten years 3,847 5,376
Thereafter 21,483 33,806
Total 27,446 41,668
Preneed Funeral Trust Investments    
Debt Securities, Available-for-sale [Line Items]    
Due in one year or less 495 320
Due in one to five years 3,054 3,744
Due in five to ten years 3,816 5,782
Thereafter 21,973 34,174
Total $ 29,338 $ 44,020