Preneed Activities Level 3 Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Sales	$ 2,900	$ 0	$ 0
Acquisition Related Investments Fair value of Level 3	1,345	0	0
Other Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair market value, beginning balance	9,067	7,163	8,162
Net realized losses included in Other income, net(2)	(697)	912	251
Purchases	66	1,945	89
Sales	26	953	1,339
Fair market value, ending balance	$ 9,755	$ 9,067	$ 7,163