Preneed Activities Level 3 Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Recurring Basis, Asset, Transfer, Net	$ 0	$ (6,811)	$ 0
Other Investments [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair market value, beginning balance	190	8,218	9,755
Net realized losses included in Other income, net(2)	(2)	(1,215)	(761)
Purchases	0	0	1,006
Sales	0	(2)	(1,782)
Fair market value, ending balance	$ 188	$ 190	$ 8,218