Receivables from Preneed Funeral Trusts (Receivables from preneed funeral trust funds) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Receivables From Preneed Trusts [Abstract]
Preneed funeral trust funds, at cost	$ 16,758	$ 23,063
Less: allowance for contract cancellation	(503)	(691)
Receivables from preneed funeral trusts, net	$ 16,255	$ 22,372

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