Preneed Activities Preneed Activities Deferred Revenue Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Deferred Revenue [Abstract]
Deferred revenue, Gross	$ 2,127,878	$ 2,046,000
Amounts Due for Unfulfilled Performance Obligations	(638,969)	578,897
Deferred Revenue	$ 1,488,909	$ 1,467,103