Preneed Trust Investments (Preneed funeral trust investment security transactions) (Details) - Preneed Funeral Trust Investments [Member] - Interest Income and Other, Net [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] | ||||
| Investment income | $ 479 | $ 686 | $ 891 | $ 1,277 |
| Realized gain, net | 11 | 1,472 | 2,907 | 2,296 |
| Realized losses | (782) | (933) | (1,391) | (1,312) |
| Expenses and taxes | (334) | (377) | (478) | (716) |
| Decrease in deferred preneed funeral receipts held in trust | $ 626 | $ (848) | $ (1,929) | $ (1,545) |