Debt Instrument, Debt Compliance, EBITDA

No definition available.

Name:	csv_DebtInstrumentDebtComplianceEBITDA
Namespace Prefix:	csv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

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-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

Name:	us-gaap_RatioOfIndebtednessToNetCapital1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
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Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=csv_RevolvingCreditFacilitySecuredFloatingRateMember
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Data Type:	na
Balance Type:
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- Details

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CREDIT FACILITY AND ACQUISITION DEBT Credit Facility (Details)	3 Months Ended
	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2021	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Credit Facility amortization of debt issuance costs	$ 193,000		$ 200,000
Debt Instrument, Debt Compliance, EBITDA	0.50
Ratio Actual [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Ratio of indebtedness to net capital (in Ratio) (below at March 31, 2015)				0.25
Credit Agreement 2018 [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility amortization of debt issuance costs		$ 118,000	$ 126,000
Carrying value of the liability component					$ 47,200,000
Line of Credit [Member] \| Revolving Credit Facility, Secured, Floating Rate [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Carrying value of the liability component	28,300,000
Remaining borrowing capacity	$ 159,600,000
Line of Credit [Member] \| Revolving Credit Facility, Secured, Floating Rate [Member] \| Revolving Credit Facility [Member] \| Ratio Actual [Member]
Debt Instrument [Line Items]
Ratio of indebtedness to net capital (in Ratio) (below at March 31, 2015)	2.00