Cemetery Perpetual Care Trust Investments (Perpetual care trust investment security transactions recorded in Cemetery revenue) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Cemetery Perpetual Care Trust Investments [Abstract] | |||
| Investment income | $ 5,949 | $ 6,451 | $ 5,315 |
| Realized gains (losses), net | (838) | (434) | 436 |
| Increase in Care trusts’ corpus | $ 5,111 | $ 6,017 | $ 5,751 |