Preneed Trust Investments (Purchases and sales of investments in preneed funeral trusts) (Details) - Preneed Funeral Trust Investments [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||||
| Purchases | $ (7,153) | $ (10,974) | $ (10,439) | $ (18,582) |
| Sales | $ 6,617 | $ 7,242 | $ 14,212 | $ 13,243 |