Preneed Trust Investments (Purchases and sales of investments in preneed cemetery trusts) (Details) - Preneed Cemetery Trust Investments [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||||
| Purchases | $ (10,831) | $ (7,215) | $ (18,440) | $ (18,106) |
| Sales | $ 7,208 | $ 4,676 | $ 13,189 | $ 12,030 |