Preneed Activities Long-term Receivable and Investment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Long-term receivable and investment components [Line Items]
Allowance for cancellation	$ (32,475)	$ (27,314)
Preneed receivables, net and trust investments	6,191,912	5,577,499	$ 6,015,323	$ 5,345,720
PreneedReceivables	1,513,933	1,402,209
Cemetery perpetual care trust investments	(1,939,241)	(1,702,313)
Preneed trust investments	4,677,979	4,175,290
Preneed receivables, net and trust investments, excluding allowance for cancellation	6,191,912	5,577,499
Insurance-backed fixed income securities and other [Line Items]	222,424	214,440
Preneed Accounts Receivable Gross	1,562,318	1,447,412
Deferred Discounts, Finance Charges and Interest Included in Receivables	(15,910)	(17,889)
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,546,408	1,429,523
Allowance for Doubtful Accounts, Premiums and Other Receivables		(27,314)
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation	(8)
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date	15
Accounts Receivable, Allowance for Credit Loss, Writeoff	2,823
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	(7,991)
Funeral [Member]
Long-term receivable and investment components [Line Items]
Allowance for cancellation	(17,026)	(14,438)
PreneedReceivables	163,388	154,541
Preneed Accounts Receivable Gross	190,514	180,108
Deferred Discounts, Finance Charges and Interest Included in Receivables	(10,100)	(11,129)
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	180,414	168,979
Allowance for Doubtful Accounts, Premiums and Other Receivables	14,438
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation	(2)
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date	0
Accounts Receivable, Allowance for Credit Loss, Writeoff	2,175
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	(4,761)
Cemetery [Member]
Long-term receivable and investment components [Line Items]
Allowance for cancellation	(15,449)	(12,876)
PreneedReceivables	1,350,545	1,247,668
Preneed Accounts Receivable Gross	1,371,804	1,267,304
Deferred Discounts, Finance Charges and Interest Included in Receivables	(5,810)	(6,760)
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,365,994	$ 1,260,544
Allowance for Doubtful Accounts, Premiums and Other Receivables	12,876
Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation	(6)
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date	15
Accounts Receivable, Allowance for Credit Loss, Writeoff	648
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	$ (3,230)