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Contracts Secured by Insurance (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Contracts Secured by Insurance [Abstract]
Preneed funeral contracts secured by insurance	$ 395.4	$ 408.8

X

- Definition

CONTRACTS SECURED BY INSURANCE

+ References

No definition available.

+ Details

Name:	csv_ContractsSecuredByInsuranceAbstract
Namespace Prefix:	csv_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of preneed funeral contracts secured by insurance.

+ References

No definition available.

+ Details

Name:	csv_PreneedFuneralContractsSecuredByInsurance
Namespace Prefix:	csv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant