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Receivables (Amortized cost basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Receivables [Abstract]
2026	$ 36,562
2025	44,683
2024	27,364
2023	10,718
2022	4,617
Prior	1,457
Total	$ 125,401	$ 117,502

X

- Definition

Preneed Cemetery Receivables, Originated Five or More Years before Latest Fiscal Year

+ References

No definition available.

+ Details

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

X

- Definition

Preneed Cemetery Receivables, Originated Four Years before Latest Fiscal Year

+ References

No definition available.

+ Details

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

X

- Definition

Preneed Cemetery Receivables, Originated Three Years before Latest Fiscal Year

+ References

No definition available.

+ Details

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

X

- Definition

Preneed Cemetery Receivables, Originated Two Years before Latest Fiscal Year

+ References

No definition available.

+ Details

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

X

- Definition

Preneed Cemetery Receivables, Originated in Current Fiscal Year

+ References

No definition available.

+ Details

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

X

- Definition

Preneed Cemetery Receivables, Originated in Fiscal Year before Latest Fiscal Year

+ References

No definition available.

+ Details

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

X

- Definition

An amount representing assets in trusts, reported at cost before allowance for contract cancellations, 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.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	us-gaap_ReceivablesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration