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Trust Investments (Components of Care trusts’ corpus) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Gain (Loss) on Securities [Line Items]
Care trusts’ corpus	$ 97,864	$ 93,425
Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Cemetery perpetual care trust investments, at market value	98,772	95,625
Obligations due to (due from) trust	(908)	(2,200)
Care trusts’ corpus	$ 97,864	$ 93,425

X

- Definition

The total liability as of the balance sheet date from proceeds deposited into trust from the sale of cemetery property interment rights, including undistributed earnings on investments.

+ References

No definition available.

+ Details

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Namespace Prefix:	csv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Cemetery perpetual care trust investments, at market value

+ References

No definition available.

+ Details

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Namespace Prefix:	csv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of undistributed income due to or from the Care Trust Corpus.

+ References

No definition available.

+ Details

Name:	csv_ObligationsDueFromToTrust
Namespace Prefix:	csv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-9

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