Cemetery Perpetual Care Trust Investments Cemetery Perpetual Care Trust Investments (Narrative) (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
|
| Schedule of Available-for-sale Securities [Line Items] | ||
| Fair value measurements, transfers between Level 1 and Level 2 | $ 0 | |
| Perpetual Care Trust Invesments [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Other than Temporary Impairment Losses, Investments | $ 0 | $ 400,000 |