Segment Reporting Level 4 (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Restricted Cash and Cash Equivalents, Noncurrent	$ 2,184		$ 2,184		$ 2,180
Revenues	987,535	$ 820,035	2,065,516	$ 1,623,000
Interest expense	(37,435)	(41,767)	(73,247)	(86,118)
Depreciation and amortization			79,552	75,582
Amortization of intangibles			10,127	11,304
Amortization of cemetery property			52,362	33,696
Total assets	15,344,449		15,344,449		$ 14,515,425
Capital expenditures			103,161	104,828
Gross profits from reportable segments	268,713	218,767	646,220	397,811
Corporate general and administrative expenses	(29,038)	(37,169)	(65,771)	(68,982)
Gains on divestitures and impairment charges, net	(6,162)	(737)	(7,428)	(5,282)
Operating income	245,837	182,335	587,877	334,111
Losses on early extinguishment of debt, net	(5,226)	(11)	(5,226)	(150)
Other income (expense), net	655	1,166	996	(81)
Income from continuing operations before income taxes	203,831	141,723	510,400	247,762
UNITED STATES
Segment Reporting Information [Line Items]
Revenues	933,644	781,842	1,953,614	1,541,114
CANADA
Segment Reporting Information [Line Items]
Revenues	53,891	38,193	111,902	81,886
Funeral [Member]
Segment Reporting Information [Line Items]
Revenues	531,703	480,947	1,151,141	985,843
Gross profits from reportable segments	108,428	115,957	299,173	219,533
Cemetery [Member]
Segment Reporting Information [Line Items]
Revenues	455,832	339,088	914,375	637,157
Gross profits from reportable segments	160,285	102,810	347,047	178,278
Funeral Atneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	282,333	256,166	620,403	520,954
Funeral Matured Preneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	159,452	158,357	349,641	321,940
Funeral Core Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	441,785	414,523	970,044	842,894
Non-funeral Home Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	16,882	14,146	36,611	28,597
Funeral Recognized Preneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	33,113	27,663	74,862	60,463
Funeral Other Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	39,923	24,615	69,624	53,889
Cemetery Atneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	109,030	91,102	233,651	176,145
Cemetery Recognized Preneed Property Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	222,866	152,117	441,140	268,199
Cemetery Recognized Preneed Merchandise And Service Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	87,718	69,844	173,536	138,508
Cemetery Core Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	419,614	313,063	848,327	582,852
Cemetery Other Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	$ 36,218	$ 26,025	$ 66,048	$ 54,305