Cemetery Perpetual Care Trust Investments (The Components of Care trusts' corpus) (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Sep. 30, 2018 |
Dec. 31, 2017 |
|
| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||
| Care trusts’ corpus | $ 48,396,000 | $ 49,856,000 |
| Fair value measurements, transfers between Level 1 and Level 2 | 0 | |
| Perpetual Care Trust Invesments [Member] | ||
| Schedule of Trading Securities and Other Trading Assets [Line Items] | ||
| Trust assets, at market value | 48,813,000 | 50,229,000 |
| Obligations due from trust | (417,000) | (373,000) |
| Care trusts’ corpus | $ 48,396,000 | $ 49,856,000 |