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Preneed Trust Investments (Components of preneed funeral trust investments) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]
Preneed funeral trust investments	$ 88,503,000		$ 89,240,000
Preneed Funeral Trust Investments [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Impairment charge, other than temporary decline in fair value of investments	0	$ 764,974
Preneed funeral trust investments, at fair value	91,225,000		91,980,000
Less: allowance for contract cancellation	(2,722,000)		(2,740,000)
Preneed funeral trust investments	$ 88,503,000		$ 89,240,000

X

- Definition

The allowance for contract cancellation on trust investments.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer, before allowance for related contract cancellations.

+ References

No definition available.

+ Details

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X

- Definition

The aggregate fair value as of the balance sheet date of financial instruments and other positions which may include : (1) fixed income securities; (2) common stock; and (3) mutual funds.

+ References

No definition available.

+ Details

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Namespace Prefix:	csv_
Data Type:	xbrli:monetaryItemType
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X

- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560

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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

No definition available.

+ Details

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- Details

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