Receivables from Preneed Trusts (Receivables from preneed funeral trust funds) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Receivables From Preneed Trusts [Abstract]
Receivables from Preneed Funeral Trust Funds	$ 17,365	$ 18,581
Preneed Funeral Trust Funds Allowance For Contract Cancellation	521	557
Receivables from preneed funeral trusts	$ 16,844	$ 18,024

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.

No definition available.

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