Preneed Trust Investments Preneed Trust Investments (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Fair value measurements, transfers between Level 1 and Level 2			$ 0
Preneed Cemetery Trust Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Other than Temporary Impairment Losses, Investments		$ 100,000	0	$ 800,000
Preneed Funeral Trust Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Other than Temporary Impairment Losses, Investments	$ 0	$ 100,000	$ 0	$ 900,000