Preneed Activities Deferred Revenue (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Deferred Revenue [Abstract]
Document Period End Date	Jun. 30, 2019
Deferred revenue, Gross	$ 2,020,663		$ 1,989,232
Cumulative amounts due for unfulfilled performance obligations	(576,099)		(570,418)
Change in amounts due for unfulfilled performance obligations	(3,770)	$ (551,092)
Deferred Revenue	$ 1,444,564		$ 1,418,814