Segment Reporting Level 4 (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Restricted Cash and Cash Equivalents, Noncurrent	$ 2,181		$ 2,180
Revenues	1,077,981	$ 802,965
Interest expense	(35,812)	(44,351)
Depreciation and amortization	39,558	37,912
Amortization of intangibles	5,335	5,257
Amortization of cemetery property	28,929	13,924
Total assets	14,788,260		$ 14,515,425
Capital expenditures	42,274	52,275
Gross profits from reportable segments	377,507	179,044
Corporate general and administrative expenses	(36,733)	(31,813)
Gains on divestitures and impairment charges, net	1,266	4,545
Operating income	342,040	151,776
Losses on early extinguishment of debt, net	0	(139)
Other income (expense), net	341	(1,247)
Income from continuing operations before income taxes	306,569	106,039
UNITED STATES
Segment Reporting Information [Line Items]
Revenues	1,019,970	759,272
CANADA
Segment Reporting Information [Line Items]
Revenues	58,011	43,693
Funeral [Member]
Segment Reporting Information [Line Items]
Revenues	619,438	504,896
Gross profits from reportable segments	190,745	103,576
Cemetery [Member]
Segment Reporting Information [Line Items]
Revenues	458,543	298,069
Gross profits from reportable segments	186,762	75,468
Funeral Atneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	338,070	264,788
Funeral Matured Preneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	190,189	163,583
Funeral Core Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	528,259	428,371
Non-funeral Home Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	19,729	14,451
Funeral Recognized Preneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	41,749	32,800
Funeral Other Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	29,701	29,274
Cemetery Atneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	124,621	85,043
Cemetery Recognized Preneed Property Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	218,274	116,082
Cemetery Recognized Preneed Merchandise And Service Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	85,818	68,664
Cemetery Core Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	428,713	269,789
Cemetery Other Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	$ 29,830	$ 28,280