Debt Instrument, Discount Rate

No definition available.

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Namespace Prefix:	csv_
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Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Redemption Period

+ References

No definition available.

+ Details

Name:	csv_DebtInstrumentRedemptionPeriod
Namespace Prefix:	csv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Unamortized Debt Issuance Costs

+ References

No definition available.

+ Details

Name:	csv_DebtInstrumentUnamortizedDebtIssuanceCosts
Namespace Prefix:	csv_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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

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

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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

- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
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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

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- Details

Name:	us-gaap_DebtInstrumentAxis=csv_SeniorNoteTwoMember
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- Details

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Senior Notes (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended
Senior Notes (Narrative) (Details) - USD ($) $ in Millions	May 31, 2018	Mar. 31, 2022	Mar. 31, 2021
Debt Instrument [Line Items]
Redemption period		180 days
Senior Notes 4.25%
Debt Instrument [Line Items]
Debt Instrument, Term		86 months
Senior Notes
Debt Instrument [Line Items]
Long-term Debt, Fair Value		$ 373.4
Senior Notes \| Period One
Debt Instrument [Line Items]
Redemption price percentage	102.13%
Senior Notes \| Period Two
Debt Instrument [Line Items]
Redemption price percentage	101.06%
Senior Notes \| Period Four
Debt Instrument [Line Items]
Percentage of principal amount redeemed	40.00%
Senior Notes \| Period Five
Debt Instrument [Line Items]
Redemption price percentage	104.25%	101.00%
Senior Notes \| Period Six
Debt Instrument [Line Items]
Redemption price percentage		100.00%
Percentage of principal amount redeemed	50.00%
Senior Note Two \| Senior Notes 4.25%
Debt Instrument [Line Items]
Stated interest rate percentage		4.25%
Senior Note Two \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Unamortized Debt Issuance Costs		4.30%	6.88%
Senior Note One \| Senior Notes
Debt Instrument [Line Items]
Debt Instrument, Discount Rate		4.42%
Debt Instrument, Unamortized Debt Issuance Costs			6.69%