Preneed Activities Preneed Activities Receivables Net and Trust Invesments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Preneed Accounts Receivable Gross	$ 1,287,722	$ 1,123,155
Deferred Discounts, Finance Charges and Interest Included in Receivables	(23,214)	(33,986)
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties, Fair Value	6,536,851	5,851,188
Investments	6,768,440	6,096,244
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,264,508	1,089,169
Accounts Receivable, Allowance for Credit Loss, Noncurrent	20,727	19,204
Beginning balance — Preneed funeral receivables and trust investments	5,345,720	4,789,562
Cash receipts from customers, net of refunds	(1,550,735)	(1,279,295)
Deposits to trust	519,023	429,307
Acquisitions (dispositions) of businesses, net	4,912	19,299
Net undistributed investments (losses) earnings	448,469	407,770
Maturities and distributed earnings	(464,247)	(430,608)
Change in cancellation allowance	(1,523)	(4,468)
Effect of foreign currency and other	(3,592)	4,115
Ending balance — Preneed funeral receivables and trust investments	6,015,323	5,345,720
Allowance for Doubtful Accounts, Premiums and Other Receivables	19,204
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Originated in Current Fiscal Year	583,106
Accounts Receivable, Noncurrent, Originated in Fiscal Year before Latest Fiscal Year	338,981
Accounts Receivable, Noncurrent, Originated Two Years before Latest Fiscal Year	171,162
Accounts Receivable, Noncurrent, Originated Three Years before Latest Fiscal Year	92,728
Accounts Receivable, Noncurrent, Originated Four Years before Latest Fiscal Year	45,204
Accounts Receivable, Noncurrent, Originated Five or More Years before Latest Fiscal Year	33,327
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	5,086
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date	0
Accounts Receivable, Allowance for Credit Loss, Writeoff	3,566
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation	(3)
Total Preneed receivables, Past Due	93,415
Preneed Receivable, Not Past Due	1,171,093
Financial Asset, 1 to 29 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	37,189
Financing Receivables 30 to 90 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	26,165
Financing Receivables 91 to 180 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	10,582
Financing Receivables, Equal to Greater Than 180 days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	19,479
Funeral [Member]
Preneed Accounts Receivable Gross	162,183	143,896
Deferred Discounts, Finance Charges and Interest Included in Receivables	(12,038)	(14,018)
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	150,145	129,878
Accounts Receivable, Allowance for Credit Loss, Noncurrent	12,722	10,940
Allowance for Doubtful Accounts, Premiums and Other Receivables	(10,940)
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Originated in Current Fiscal Year	70,006
Accounts Receivable, Noncurrent, Originated in Fiscal Year before Latest Fiscal Year	36,943
Accounts Receivable, Noncurrent, Originated Two Years before Latest Fiscal Year	21,619
Accounts Receivable, Noncurrent, Originated Three Years before Latest Fiscal Year	7,178
Accounts Receivable, Noncurrent, Originated Four Years before Latest Fiscal Year	3,564
Accounts Receivable, Noncurrent, Originated Five or More Years before Latest Fiscal Year	10,835
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	4,853
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date	0
Accounts Receivable, Allowance for Credit Loss, Writeoff	3,071
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation	0
Accounts Receivable, Noncurrent, Nonaccrual	3,806
Total Preneed receivables, Past Due	26,709
Preneed Receivable, Not Past Due	123,436
Funeral [Member] | Financing Receivables 30 to 90 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	2,961
Funeral [Member] | Financing Receivables 91 to 180 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	1,892
Funeral [Member] | Financing Receivables, Equal to Greater Than 180 days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	18,050
Cemetery [Member]
Preneed Accounts Receivable Gross	1,125,539	979,259
Deferred Discounts, Finance Charges and Interest Included in Receivables	(11,176)	(19,968)
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,114,363	959,291
Accounts Receivable, Allowance for Credit Loss, Noncurrent	8,005	$ 8,264
Allowance for Doubtful Accounts, Premiums and Other Receivables	(8,264)
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Originated in Current Fiscal Year	513,100
Accounts Receivable, Noncurrent, Originated in Fiscal Year before Latest Fiscal Year	302,038
Accounts Receivable, Noncurrent, Originated Two Years before Latest Fiscal Year	149,543
Accounts Receivable, Noncurrent, Originated Three Years before Latest Fiscal Year	85,550
Accounts Receivable, Noncurrent, Originated Four Years before Latest Fiscal Year	41,640
Accounts Receivable, Noncurrent, Originated Five or More Years before Latest Fiscal Year	22,492
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	233
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date	0
Accounts Receivable, Allowance for Credit Loss, Writeoff	495
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation	(3)
Total Preneed receivables, Past Due	66,706
Preneed Receivable, Not Past Due	1,047,657
Cemetery [Member] | Financial Asset, 1 to 29 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	33,383
Cemetery [Member] | Financing Receivables 30 to 90 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	23,204
Cemetery [Member] | Financing Receivables 91 to 180 Days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	8,690
Cemetery [Member] | Financing Receivables, Equal to Greater Than 180 days Past Due [Member]
Accounts Receivable, Noncurrent, Credit Quality Indicator [Line Items]
Accounts Receivable, Noncurrent, Nonaccrual	$ 1,429