Preneed Trust Investments (Purchases and sales of investments in preneed cemetery trusts) (Details) - Preneed Cemetery Trust Investments [Member] - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||||
| Purchases | $ (915) | $ (1,434) | $ (19,355) | $ (19,540) |
| Sales | $ 0 | $ 5,973 | $ 13,189 | $ 18,003 |