Goodwill and Intangible Assets Goodwill and Intangible Assets Level 4 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 1,880,007	$ 1,864,223
Goodwill, net, beginning balance	1,880,007
Increase in goodwill related to acquisitions	36,693	14,796
Reduction of goodwill related to divestitures	(2,108)	(1,175)
Effect of foreign currency and other	490	2,163
Goodwill, Period Increase (Decrease)	35,075	15,784
Goodwill, ending balance		1,880,007	$ 1,864,223
Goodwill, net, ending balance	1,915,082	1,880,007
Finite-Lived Intangible Assets, Net	101,653	103,327
Finite Lived Intangible Assets Amortization Expense Future Total	29,192
Finite-Lived Intangible Assets, Gross	411,708	403,785
Finite-Lived Intangible Assets, Accumulated Amortization	310,055	300,458
Finite-Lived Intangible Assets, Net	101,653	103,327
Indefinite-Lived Trade Names	359,297	327,297
Other Indefinite-lived Intangible Assets	10,765	10,765
Indefinite-lived Intangible Assets (Excluding Goodwill)	370,062	338,062
Intangible Assets, Net (Excluding Goodwill)	471,715	441,389
Amortization of intangibles	20,002	22,444	25,649
Future Amortization Expense, Year One	6,691
Future Amortization Expense, Year Two	6,300
Future Amortization Expense, Year Three	6,155
Future Amortization Expense, Year Four	6,023
Future Amortization Expense, Year Five	4,023
Noncompete Agreements [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Gross	223,854	219,493
Finite-Lived Intangible Assets, Accumulated Amortization	203,935	201,427
Customer Relationships [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Gross	153,927	150,365
Finite-Lived Intangible Assets, Accumulated Amortization	96,294	90,022
Trade Names [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Gross	7,000	7,000
Finite-Lived Intangible Assets, Accumulated Amortization	280	202
Other Intangible Assets [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Gross	26,927	26,927
Finite-Lived Intangible Assets, Accumulated Amortization	9,546	8,807
Funeral [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	1,551,062	1,535,278
Goodwill, net, beginning balance	1,551,062
Increase in goodwill related to acquisitions	34,703	14,796
Reduction of goodwill related to divestitures	(2,080)	(1,175)
Effect of foreign currency and other	490	2,163
Goodwill, Period Increase (Decrease)	33,113	15,784
Goodwill, ending balance		1,551,062	1,535,278
Goodwill, net, ending balance	1,584,175	1,551,062
Amortization of intangibles	12,980	13,593	15,343
Cemetery [Member]
Goodwill [Roll Forward]
Goodwill, beginning balance	328,945	328,945
Goodwill, net, beginning balance	328,945
Increase in goodwill related to acquisitions	1,990	0
Reduction of goodwill related to divestitures	(28)	0
Effect of foreign currency and other	0	0
Goodwill, Period Increase (Decrease)	1,962	0
Goodwill, ending balance		328,945	328,945
Goodwill, net, ending balance	330,907	328,945
Amortization of intangibles	$ 7,016	$ 8,841	$ 10,297
Minimum [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	2 years
Minimum [Member] | Noncompete Agreements [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	2 years
Minimum [Member] | Customer Relationships [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	10 years
Minimum [Member] | Trade Names [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	5 years
Minimum [Member] | Other Intangible Assets [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	5 years
Maximum [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	89 years
Maximum [Member] | Noncompete Agreements [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	20 years
Maximum [Member] | Customer Relationships [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	20 years
Maximum [Member] | Trade Names [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	89 years
Maximum [Member] | Other Intangible Assets [Member]
Goodwill [Roll Forward]
Finite-Lived Intangible Assets, Useful Life, Minimum	89 years