XML 118 R102.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Stockholders' Equity Stockholders' Equity (Narrative) (Details) |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Sep. 28, 2015 shares | May. 21, 2014 director shares | Jan. 03, 2014 $ / shares | Mar. 05, 2012 USD ($) | Dec. 31, 2015 USD ($) $ / shares shares | Mar. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2014 $ / shares shares | Jun. 30, 2014 $ / shares | Mar. 31, 2014 $ / shares | Sep. 30, 2012 d $ / shares | Dec. 31, 2015 USD ($) dividend $ / shares shares | Dec. 31, 2014 USD ($) $ / shares shares | Dec. 31, 2013 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  |  | 80,000,000 |  | 80,000,000 |  |  |  | 80,000,000 | 80,000,000 |
Common stock, par value (in dollars per share) | $ / shares |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  |  | $ 0.01 | $ 0.01 |
Common stock, shares issued (in shares) | shares |  |  |  |  | 22,497,873 |  | 22,434,609 |  |  |  | 22,497,873 | 22,434,609 |
Common stock, shares outstanding (in shares) | shares |  |  |  |  | 22,497,873 |  | 22,434,609 |  |  |  | 22,497,873 | 22,434,609 |
Treasury stock, shares (in shares) | shares |  |  |  |  | 5,849,316 |  | 3,921,651 |  |  |  | 5,849,316 | 3,921,651 |
Stock options awarded (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 653,000 | 804,000 | 563,000
Grants, weighted average exercise price | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 22.66 | $ 20.20 | $ 16.73
Shares purchased through Employee Stock Purchase Plan (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 44,074 | 55,877 | 76,272
Weighted average purchase price of ESPP shares purchased during the period (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 17.17 | $ 15.50 | $ 11.89
Payments for buy back of common stock |  |  |  |  |  |  |  |  |  |  | $ 44,999,000 | $ 0 | $ 0
Directors fees approved under new Directors Compensation Policy, other committee members and chairs |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |
Directors fees approved under new Directors Compensation Policy |  |  |  | 1,600 |  |  |  |  |  |  |  |  |
Number of quarterly dividend declarations | dividend |  |  |  |  |  |  |  |  |  |  | 4 |  |
Dividends declared per share (in dollars per share) | $ / shares |  |  |  |  | $ 0.025 |  | $ 0.025 | $ 0.025 | $ 0.025 |  | $ 0.10 | $ 0.10 | $ 0.10
Dividends declared, common stock, amount |  |  |  |  |  |  |  |  |  |  | $ 1,800,000 |  |
Employee Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options awarded (in shares) | shares |  |  |  |  |  | 628,000 |  |  |  |  |  | 803,700 | 562,500
Grants, weighted average exercise price | $ / shares |  |  |  |  |  | $ 22.58 |  |  |  |  |  |  |
Incremental award vesting percentage |  |  |  |  |  | 33.33% |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  | 3 years |  |  |  |  |  |  |
Stock option, contracted term |  |  |  |  |  | 7 years |  |  |  |  |  |  |
Value of stock options granted |  |  |  |  |  | $ 3,700,000 |  |  |  |  |  | $ 4,100,000 | $ 2,300,000
Intrinsic value of outstanding stock options |  |  |  |  | $ 8,734,000 |  |  |  |  |  | 8,734,000 |  |
Intrinsic value of exercisable stock options |  |  |  |  | 5,305,000 |  |  |  |  |  | 5,305,000 |  |
Total intrinsic value of options exercised |  |  |  |  |  |  |  |  |  |  | 1,100,000 | 1,000,000 | 503,000
Total fair value of stock options vested |  |  |  |  |  |  |  |  |  |  | 1,808,000 | 752,000 | 224,000
Share based compensation expense |  |  |  |  |  |  |  |  |  |  | 2,431,000 | 1,594,000 | 797,000
Unrecognized share based compensation cost |  |  |  |  | 3,500,000 |  |  |  |  |  | $ 3,500,000 |  |
Unrecognized share based compensation, expected term (in years) |  |  |  |  |  |  |  |  |  |  | 2 years |  |
Employee Stock Option | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contractual term of all options granted |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Employee Stock Option | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contractual term of all options granted |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation expense |  |  |  |  |  |  |  |  |  |  | $ 197,000 | 260,000 | 277,000
Purchase price percentage of grant date price per share (as a percent) |  |  |  |  |  |  |  |  |  |  | 85.00% |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation expense |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 | 1,800,000 | 1,700,000
Unrecognized share based compensation cost |  |  |  |  | $ 5,200,000 |  |  |  |  |  | $ 5,200,000 |  |
Unrecognized share based compensation, expected term (in years) |  |  |  |  |  |  |  |  |  |  | 2 years 1 month 6 days |  |
Restricted Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  |  |  |  | 4 years |  |
Vesting percentage per period |  |  |  |  |  |  |  |  |  |  | 33.33% |  |
Restricted Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  |  |  |  |  |  | 3 years |  |
Vesting percentage per period |  |  |  |  |  |  |  |  |  |  | 25.00% |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting period (in years) |  |  |  |  |  | 3 years |  |  |  |  |  |  |
Awards granted | shares |  |  |  |  |  | 37,900 |  |  |  |  | 42,737 |  |
Awards granted, aggregate grant date market value |  |  |  |  |  | $ 900,000 |  |  |  |  |  |  |
Performance Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Performance-based stock awards, purchase price, variable option, basis spread over common stock market price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 0.50 |  |  |
Performance-based stock awards, purchase price, fixed option (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | 9.00 |  |  |
Performance-based stock awards, vesting requirement, common stock market price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 21.50 |  |  |
Performance-based stock awards, vesting requirement, common stock market price, days achieved | d |  |  |  |  |  |  |  |  |  | 3 |  |  |
Performance-based stock awards, vesting requirement, period to achieve common stock market price |  |  |  |  |  |  |  |  |  | 30 days |  |  |
Performance-based stock awards, surrender of awards, base repurchase price (in dollars per share) | $ / shares |  |  | $ 19.00 |  |  |  |  |  |  |  |  |  |
Payments for buy back of common stock |  |  |  |  |  |  |  |  |  |  | $ 16,200,000 |  |
New Employee | Employee Stock Option |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options awarded (in shares) | shares |  |  |  |  |  | 25,000 |  |  |  |  |  |  |
Grants, weighted average exercise price | $ / shares |  |  |  |  |  | $ 24.74 |  |  |  |  |  |  |
Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock issued (in shares) | shares | 4,837 | 8,859 |  |  |  |  |  |  |  |  |  |  |
Number of directors | director |  | 3 |  |  |  |  |  |  |  |  |  |  |
Directors compensation expense |  |  |  |  |  |  |  |  |  |  | 700,000 | $ 800,000 | $ 800,000
Board of Directors | Performance Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for buy back of common stock |  |  |  |  |  |  |  |  |  |  | $ 3,200,000 |  |
Audit Committee Chairman |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Director compensation, annual cash retainer |  |  |  | 17,500 |  |  |  |  |  |  |  |  |
Compensation And Corporate Governance Committee Chairman |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Director compensation, annual cash retainer |  |  |  | 15,000 |  |  |  |  |  |  |  |  |
Board of Directors Chairman |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Director compensation, annual cash retainer |  |  |  | 115,000 |  |  |  |  |  |  |  |  |
Director |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Director compensation, annual cash retainer |  |  |  | 40,000 |  |  |  |  |  |  |  |  |
Director compensation, annual equity retainer |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |

X
- Definition Director Compensation, Annual Cash Retainer + References No definition available. + Details
Name: | csv_DirectorCompensationAnnualCashRetainer
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Director Compensation, Annual Equity Retainer + References No definition available. + Details
Name: | csv_DirectorCompensationAnnualEquityRetainer
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Annual cash retainer approved to be paid to each independent director for each regular or special meeting. + References No definition available. + Details
Name: | csv_DirectorsCompensationEachIndependentDirectorEachMeeting
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Pre tax compensation expense related to director fees, annual retainers, and deferred compensation amortization. + References No definition available. + Details
Name: | csv_DirectorsCompensationExpense
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Annual cash retainer approved to be paid to other committee members and chairment for each regular or special meeting. + References No definition available. + Details
Name: | csv_DirectorsCompensationOtherMembersAndChaimenEachMeeting
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average purchase price of capital shares purchased through an employee stock purchase plan. + References No definition available. + Details
Name: | csv_EmployeeStockPurchasePlanWeightedAveragePurchasePriceOfSharesPurchased
Namespace Prefix: | csv_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Directors + References No definition available. + Details
Name: | csv_NumberofDirectors
Namespace Prefix: | csv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Dividends Declared + References No definition available. + Details
Name: | csv_NumberofDividendsDeclared
Namespace Prefix: | csv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Award, Performance Shares, Purchase Price, Fixed Option + References No definition available. + Details
Name: | csv_ShareBasedCompensationArrangementByShareBasedAwardPerformanceSharesPurchasePriceFixedOption
Namespace Prefix: | csv_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Annual Vesting Percentage + References No definition available. + Details
Name: | csv_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsAnnualVestingPercentage
Namespace Prefix: | csv_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Contractual Term of Award + References No definition available. + Details
Name: | csv_ShareBasedCompensationArrangementByShareBasedPaymentAwardContractualTermOfAward
Namespace Prefix: | csv_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award, Options, Aggregate Grant Date Fair Value + References No definition available. + Details
Name: | csv_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateGrantDateFairValue
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Aggregate Grant Date Market Value + References No definition available. + Details
Name: | csv_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsinPeriodAggregateGrantDateMarketValue
Namespace Prefix: | csv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price, Variable Option, Basis Spread Over Common Stock Market Price + References No definition available. + Details
Name: | csv_SharebasedCompensationArrangementbySharebasedPaymentAwardPurchasePriceVariableOptionBasisSpreadOverCommonStockMarketPrice
Namespace Prefix: | csv_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Surrender of Awards, Base Repurchase Price + References No definition available. + Details
Name: | csv_SharebasedCompensationArrangementbySharebasedPaymentAwardSurrenderofAwardsBaseRepurchasePrice
Namespace Prefix: | csv_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Vesting Requirement, Common Stock Market Price + References No definition available. + Details
Name: | csv_SharebasedCompensationArrangementbySharebasedPaymentAwardVestingRequirementCommonStockMarketPrice
Namespace Prefix: | csv_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Vesting Requirement, Common Stock Market Price, Term + References No definition available. + Details
Name: | csv_SharebasedCompensationArrangementbySharebasedPaymentAwardVestingRequirementCommonStockMarketPriceTerm
Namespace Prefix: | csv_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Vesting Requirement, Period to Achieve Common Stock Market Price + References No definition available. + Details
Name: | csv_SharebasedCompensationArrangementbySharebasedPaymentAwardVestingRequirementPeriodtoAchieveCommonStockMarketPrice
Namespace Prefix: | csv_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_DividendsCommonStockCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_PaymentsForRepurchaseOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Purchase price of common stock expressed as a percentage of its fair value. + References No definition available. + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued during the period as a result of an employee stock purchase plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_TreasuryStockShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=csv_EmployeeStockPurchasePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=csv_NewEmployeeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=csv_BoardofDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=csv_AuditCommitteeChairmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=csv_CompensationAndCorporateGovernanceCommitteeChairmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=us-gaap_BoardOfDirectorsChairmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |