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Note 16 - Stock Based Compensation (Details) (USD $)
0 Months Ended 12 Months Ended 9 Months Ended
May 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2014
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)   4,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized      
Allocated Share-based Compensation Expense   $ 8,900,000us-gaap_AllocatedShareBasedCompensationExpense $ 6,400,000us-gaap_AllocatedShareBasedCompensationExpense $ 3,300,000us-gaap_AllocatedShareBasedCompensationExpense  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate   0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)   12,628,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) 554,738us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value   5,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 8,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 6,200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue  
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options   200,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions 600,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions 200,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   500,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   2 years 36 days      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)   188,005us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares)   27,764us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)   $ 21.14us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue      
Restricted Stock and Deferred Stock Awards [Member] | Subsequent to Spin-Off [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)   $ 21.14us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
/ us-gaap_StatementScenarioAxis
= cveo_SubsequentToSpinOffMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
/ us-gaap_StatementScenarioAxis
= cveo_SubsequentToSpinOffMember
     
Restricted Stock and Deferred Stock Awards [Member] | Converted Oil States' Restricted Stock [Memeber]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 435,999us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
/ us-gaap_StatementScenarioAxis
= cveo_ConvertedOilStatesRestrictedStockMember
       
Restricted Stock and Deferred Stock Awards [Member] | Cancelled Oil States' Performance-based Restricted Stock [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 91,848us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
/ us-gaap_StatementScenarioAxis
= cveo_CancelledOilStatesPerformanceBasedRestrictedStockMember
       
Restricted Stock and Deferred Stock Awards [Member] | Oil States [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised (in Shares) 94,936us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
/ dei_LegalEntityAxis
= cveo_OilStatesMember
       
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 20,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
/ dei_LegalEntityAxis
= cveo_OilStatesMember
       
Restricted Stock and Deferred Stock Awards [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   2 years 292 days      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in Shares) 20,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
       
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)   $ 100.43us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
$ 80.25us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
$ 81.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   2,700,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
1,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
 
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   7,400,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
/ us-gaap_AwardTypeAxis
= cveo_RestrictedStockAndDeferredStockAwardsMember
     
Phantom Share Units (PSUs) [Member] | Canadian Long-Term Incentive Plan [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised (in Shares)         123,183us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
/ us-gaap_AwardTypeAxis
= us-gaap_PhantomShareUnitsPSUsMember
/ us-gaap_PlanNameAxis
= cveo_CanadianLong-TermIncentivePlanMember
Phantom Share Units (PSUs) [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   1 year 292 days      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares) 4,337us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_PhantomShareUnitsPSUsMember
      565,706us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_PhantomShareUnitsPSUsMember
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options   1,100,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
/ us-gaap_AwardTypeAxis
= us-gaap_PhantomShareUnitsPSUsMember
     
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years        
Share-based Compensation Arrangement Other Than Options Liability Balance   700,000cveo_ShareBasedCompensationArrangementOtherThanOptionsLiabilityBalance
/ us-gaap_AwardTypeAxis
= us-gaap_PhantomShareUnitsPSUsMember
     
Subsequent to Spin-Off [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value   200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_StatementScenarioAxis
= cveo_SubsequentToSpinOffMember
     
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options   $ 0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
/ us-gaap_StatementScenarioAxis
= cveo_SubsequentToSpinOffMember
     
Oil States [Member]          
Note 16 - Stock Based Compensation (Details) [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares) 120,799us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ dei_LegalEntityAxis
= cveo_OilStatesMember