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Receivables from Preneed Trusts (Receivables from preneed funeral trust funds) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Receivables From Preneed Trusts [Abstract] |  |
Receivables from Preneed Funeral Trust Funds | $ 19,597 | $ 17,365
Preneed Funeral Trust Funds Allowance For Contract Cancellation | (588) | (521)
Receivables from preneed funeral trusts | $ 19,009 | $ 16,844

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- Definition Preneed funeral trust funds + References No definition available. + Details
Name: | csv_PreneedFuneralTrustFunds
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Preneed Funeral Trust Funds Allowance For Contract Cancellation + References No definition available. + Details
Name: | csv_PreneedFuneralTrustFundsAllowanceForContractCancellation
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition An amount representing assets in trusts, reported at cost, which are controlled and operated by third parties in which the Company does not have a controlling financial interest (less than 50%) in the trust assets. May include both pledged and unpledged holdings. + References No definition available. + Details
Name: | csv_ReceivablesFromPreneedFuneralTrusts
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition RECEIVABLES FROM PRENEED TRUSTS + References No definition available. + Details
Name: | csv_ReceivablesFromPreneedTrustsAbstract
Namespace Prefix: | csv_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration