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Receivables from Preneed Trusts Receivables from Preneed Trusts (Composition of Assets Held in Trusts) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Fair Value [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	$ 17,581	$ 17,532
Fair Value [Member] | Cash and cash equivalents [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	4,697	4,604
Fair Value [Member] | Fixed income investments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	10,473	10,355
Fair Value [Member] | Mutual funds and common stocks [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	2,406	2,569
Fair Value [Member] | Annuities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	5	4
Historical Cost Basis [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	17,502	17,365
Historical Cost Basis [Member] | Cash and cash equivalents [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	4,697	4,604
Historical Cost Basis [Member] | Fixed income investments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	10,473	10,355
Historical Cost Basis [Member] | Mutual funds and common stocks [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	2,327	2,402
Historical Cost Basis [Member] | Annuities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Assets held-in-trust	$ 5	$ 4

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+ References

No definition available.

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- Definition

The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(b))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

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