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Trust Investments (Components of Care trusts’ corpus) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Gain (Loss) on Securities [Line Items] |  |
Care trusts’ corpus | $ 64,620 | $ 63,416
Perpetual Care Trust Invesments [Member] |  |
Gain (Loss) on Securities [Line Items] |  |
Cemetery perpetual care trust investments, at market value | 64,824 | 64,047
Obligations due to (from) trust | (204) | (631)
Care trusts’ corpus | $ 64,620 | $ 63,416

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- Definition The total liability as of the balance sheet date from proceeds deposited into trust from the sale of cemetery property interment rights, including undistributed earnings on investments. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of undistributed income due to or from the Care Trust Corpus. + References No definition available. + Details
Name: | csv_ObligationsDueFromToTrust
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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