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Cemetery Perpetual Care Trust Investments (The Components of Care trusts' corpus) (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018
Debt and Equity Securities, FV-NI [Line Items] |  |
Care trusts’ corpus | $ 47,734,000 | $ 43,494,000
Fair value measurements, transfers between Level 1 and Level 2 | 0 |
Perpetual Care Trust Invesments [Member] |  |
Debt and Equity Securities, FV-NI [Line Items] |  |
Trust assets, at market value | 47,970,000 | 44,071,000
Obligations due from trust | (236,000) | (577,000)
Care trusts’ corpus | $ 47,734,000 | $ 43,494,000

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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 Fair Value Measurements, Transfers Between Level 1 and Level 2 + References No definition available. + Details
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- Definition Obligations Due To Trust + References No definition available. + Details
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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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- 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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