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DIVESTED OPERATIONS (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 USD ($) divestiture | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Discontinued Operations and Disposal Groups [Abstract] |  |  |  |
Number of Businesses Sold | divestiture | 6 |  |  |
Proceeds from divestitures and sale of other assets | $ | $ 7,300 | $ 7,416 | $ 967 | $ 900

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- Definition Number of Businesses Sold + References No definition available. + Details
Name: | csv_NumberOfBusinessesSold
Namespace Prefix: | csv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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Balance Type: | debit
Period Type: | duration