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, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||||
| Purchases | $ (8,165) | $ (915) | $ (18,423) | $ (19,355) |
| Sales | $ 8,878 | $ 0 | $ 22,776 | $ 13,189 |