Segment Reporting Level 4 (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Restricted Cash and Cash Equivalents, Noncurrent	$ 2,085		$ 2,082
Revenues	1,112,403	$ 1,077,981
Interest expense	(39,028)	(35,812)
Depreciation and amortization	42,436	39,558
Amortization of intangibles	5,074	5,335
Amortization of cemetery property	24,849	28,929
Total assets	15,457,134		$ 15,691,178
Capital expenditures	56,748	42,274
Gross profits from reportable segments	376,913	382,443
Corporate general and administrative expenses	(41,704)	(41,669)
Gains on divestitures and impairment charges, net	(489)	(1,266)
Operating income	335,698	342,040
Other income (expense), net	128	341
Income from continuing operations before income taxes	296,798	306,569
UNITED STATES
Segment Reporting Information [Line Items]
Revenues	1,050,620	1,019,970
CANADA
Segment Reporting Information [Line Items]
Revenues	61,783	58,011
Funeral [Member]
Segment Reporting Information [Line Items]
Revenues	649,097	619,438
Gross profits from reportable segments	195,983	194,386
Cemetery [Member]
Segment Reporting Information [Line Items]
Revenues	463,306	458,543
Gross profits from reportable segments	180,930	188,057
Funeral Atneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	353,369	338,070
Funeral Matured Preneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	194,927	190,189
Funeral Core Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	548,296	528,259
Non-funeral Home Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	20,810	19,729
Funeral Recognized Preneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	43,122	41,749
Funeral Other Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	36,869	29,701
Cemetery Atneed Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	123,389	124,621
Cemetery Recognized Preneed Property Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	221,539	218,274
Cemetery Recognized Preneed Merchandise And Service Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	85,000	85,818
Cemetery Core Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	429,928	428,713
Cemetery Other Revenue [Member]
Segment Reporting Information [Line Items]
Revenues	$ 33,378	$ 29,830