Preneed Activities - Amortized cost basis of preneed receivables by year of origination (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Deferred Revenue [Line Items]
Accounts Receivable, Noncurrent, Originated in Current Fiscal Year	$ 292,028
Accounts Receivable, Noncurrent, Originated in Fiscal Year before Latest Fiscal Year	510,576
Accounts Receivable, Noncurrent, Originated Two Years before Latest Fiscal Year	358,434
Accounts Receivable, Noncurrent, Originated Three Years before Latest Fiscal Year	222,731
Accounts Receivable, Noncurrent, Originated Four Years before Latest Fiscal Year	107,575
Accounts Receivable, Noncurrent, Originated Five or More Years before Latest Fiscal Year	72,167
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	1,563,511	$ 1,596,516
Funeral [Member]
Deferred Revenue [Line Items]
Accounts Receivable, Noncurrent, Originated in Current Fiscal Year	13,693
Accounts Receivable, Noncurrent, Originated in Fiscal Year before Latest Fiscal Year	17,805
Accounts Receivable, Noncurrent, Originated Two Years before Latest Fiscal Year	28,065
Accounts Receivable, Noncurrent, Originated Three Years before Latest Fiscal Year	22,086
Accounts Receivable, Noncurrent, Originated Four Years before Latest Fiscal Year	10,929
Accounts Receivable, Noncurrent, Originated Five or More Years before Latest Fiscal Year	20,482
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	113,060	128,999
Cemetery [Member]
Deferred Revenue [Line Items]
Accounts Receivable, Noncurrent, Originated in Current Fiscal Year	278,335
Accounts Receivable, Noncurrent, Originated in Fiscal Year before Latest Fiscal Year	492,771
Accounts Receivable, Noncurrent, Originated Two Years before Latest Fiscal Year	330,369
Accounts Receivable, Noncurrent, Originated Three Years before Latest Fiscal Year	200,645
Accounts Receivable, Noncurrent, Originated Four Years before Latest Fiscal Year	96,646
Accounts Receivable, Noncurrent, Originated Five or More Years before Latest Fiscal Year	51,685
Accounts Receivable, before Allowance for Credit Loss, Noncurrent	$ 1,450,451	$ 1,467,517

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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