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Commitments and Contingencies Commitments and Contingencies (Non-Compete, Consulting and Employment Agreements) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014
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Other Commitments [Line Items] |
Other Commitment, Due in Next Twelve Months | $ 5,212 us-gaap_OtherCommitmentDueInNextTwelveMonths
Other Commitment, Due in Second Year | 3,749 us-gaap_OtherCommitmentDueInSecondYear
Other Commitment, Due in Third Year | 3,305 us-gaap_OtherCommitmentDueInThirdYear
Other Commitment, Due in Fourth Year | 1,317 us-gaap_OtherCommitmentDueInFourthYear
Other Commitment, Due in Fifth Year | 659 us-gaap_OtherCommitmentDueInFifthYear
Other Commitment, Due after Fifth Year | 1,080 us-gaap_OtherCommitmentDueAfterFifthYear
Other Commitment | 15,322 us-gaap_OtherCommitment
Noncompete Agreements [Member] |
Other Commitments [Line Items] |
Other Commitment, Due in Next Twelve Months | 1,534 us-gaap_OtherCommitmentDueInNextTwelveMonths / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Other Commitment, Due in Second Year | 1,199 us-gaap_OtherCommitmentDueInSecondYear / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Other Commitment, Due in Third Year | 825 us-gaap_OtherCommitmentDueInThirdYear / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Other Commitment, Due in Fourth Year | 552 us-gaap_OtherCommitmentDueInFourthYear / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Other Commitment, Due in Fifth Year | 356 us-gaap_OtherCommitmentDueInFifthYear / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Other Commitment, Due after Fifth Year | 625 us-gaap_OtherCommitmentDueAfterFifthYear / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Other Commitment | 5,091 us-gaap_OtherCommitment / csv_AgreementTypeAxis = us-gaap_NoncompeteAgreementsMember
Consulting Agreement [Member] |
Other Commitments [Line Items] |
Other Commitment, Due in Next Twelve Months | 1,173 us-gaap_OtherCommitmentDueInNextTwelveMonths / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Other Commitment, Due in Second Year | 835 us-gaap_OtherCommitmentDueInSecondYear / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Other Commitment, Due in Third Year | 765 us-gaap_OtherCommitmentDueInThirdYear / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Other Commitment, Due in Fourth Year | 474 us-gaap_OtherCommitmentDueInFourthYear / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Other Commitment, Due in Fifth Year | 303 us-gaap_OtherCommitmentDueInFifthYear / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Other Commitment, Due after Fifth Year | 455 us-gaap_OtherCommitmentDueAfterFifthYear / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Other Commitment | 4,005 us-gaap_OtherCommitment / csv_AgreementTypeAxis = csv_ConsultingAgreementMember
Employment Agreement [Member] |
Other Commitments [Line Items] |
Other Commitment, Due in Next Twelve Months | 2,505 us-gaap_OtherCommitmentDueInNextTwelveMonths / csv_AgreementTypeAxis = csv_EmploymentAgreementMember
Other Commitment, Due in Second Year | 1,715 us-gaap_OtherCommitmentDueInSecondYear / csv_AgreementTypeAxis = csv_EmploymentAgreementMember
Other Commitment, Due in Third Year | 1,715 us-gaap_OtherCommitmentDueInThirdYear / csv_AgreementTypeAxis = csv_EmploymentAgreementMember
Other Commitment, Due in Fourth Year | 291 us-gaap_OtherCommitmentDueInFourthYear / csv_AgreementTypeAxis = csv_EmploymentAgreementMember
Other Commitment, Due in Fifth Year | 0 us-gaap_OtherCommitmentDueInFifthYear / csv_AgreementTypeAxis = csv_EmploymentAgreementMember
Other Commitment, Due after Fifth Year | 0 us-gaap_OtherCommitmentDueAfterFifthYear / csv_AgreementTypeAxis = csv_EmploymentAgreementMember
Other Commitment | $ 6,226 us-gaap_OtherCommitment / csv_AgreementTypeAxis = csv_EmploymentAgreementMember

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing after the fifth fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueAfterFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the fifth fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the fourth fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInFourthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the next fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the second fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInSecondYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the third fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInThirdYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | csv_AgreementTypeAxis=csv_ConsultingAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | csv_AgreementTypeAxis=csv_EmploymentAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | csv_AgreementTypeAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |