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Long-Term Debt (Narrative) (Details) (USD $)
0 Months Ended 3 Months Ended
May 12, 2014
Mar. 31, 2015
Dec. 31, 2014
Nov. 05, 2014
Aug. 13, 2014
Feb. 21, 2014
May 10, 2013
Nov. 05, 2015
Debt Instrument [Line Items]                
Long-term debt   35,940,000us-gaap_LongTermLineOfCredit $ 0us-gaap_LongTermLineOfCredit          
Revolving credit facility                
Debt Instrument [Line Items]                
Borrowing limit based on eligible trade accounts 85.00%icd_DebtInstrumentBorrowingLimitationsAccountsReceivableLimitation
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
             
Eligible trade accounts receivable days outstanding limit 90 days              
Borrowing limit based on appraised forced liquidation of eligible completed and owned drilling rigs 75.00%icd_DebtInstrumentBorrowingLimitationsOnRigs
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
             
Commitment fee on unused capacity (as a percentage)   0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
           
Revolving credit facility | Line of credit                
Debt Instrument [Line Items]                
Interest rate, basis spread based on availability   3.50%icd_DebtInstrumentVariableRate
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
Line of credit facility, higher borrowing capacity option   20,000,000.0us-gaap_LineOfCreditFacilityCapacityAvailableForSpecificPurposeOtherThanForTradePurchases
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
Line of credit facility, springing lock box arrangement, threshold   15,000,000icd_LineofCreditFacilitySpringingLockboxArrangementThreshold
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
Line of credit facility, springing lock box arrangement, threshold, percentage of borrowing base   15.00%icd_LineofCreditFacilitySpringingLockBoxArrangementThresholdPercentageofBorrowingBase
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
LIne of credit facility, springing lock box arrangement, threshold, percentage of total commitments   15.00%icd_LIneofCreditFacilitySpringingLockBoxArrangementThresholdPercentageofTotalCommitments
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
Long-term debt   35,940,000us-gaap_LongTermLineOfCredit
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
Remaining availability   87,900,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
           
Revolving credit facility | Line of credit | LIBOR                
Debt Instrument [Line Items]                
Interest rate, basis spread   4.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
           
Revolving credit facility | Line of credit | Three-month LIBOR                
Debt Instrument [Line Items]                
Interest rate, basis spread   1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_VariableRateAxis
= icd_ThreeMonthLIBORMember
           
Revolving credit facility | Line of credit | Federal funds, effective rate                
Debt Instrument [Line Items]                
Interest rate, basis spread   0.05%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
/ us-gaap_VariableRateAxis
= icd_FederalFundsEffectiveRateMember
           
Revolving credit facility | Line of credit | CIT Finance, LLC syndicate                
Debt Instrument [Line Items]                
Revolving credit facility, maximum borrowing capacity       155,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
125,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
125,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
60,000,000.0us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Maximum borrowing capacity not subject to restrictions 110,000,000.0icd_LineOfCreditFacilityMaximumBorrowingCapacityNotSubjectToRestrictions
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
        100,000,000.0icd_LineOfCreditFacilityMaximumBorrowingCapacityNotSubjectToRestrictions
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
   
Revolving credit facility | Line of credit | CIT Finance, LLC syndicate | Accordion feature                
Debt Instrument [Line Items]                
Revolving credit facility, maximum borrowing capacity       25,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_DebtInstrumentAxis
= icd_AccordionFeatureMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
       
Debt instrument, face amount           25,000,000.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_DebtInstrumentAxis
= icd_AccordionFeatureMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
20,000,000.0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_DebtInstrumentAxis
= icd_AccordionFeatureMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LineOfCreditMember
 
Revolving credit facility | Junior subordinated debt | CIT Finance, LLC syndicate                
Debt Instrument [Line Items]                
Contingent commitments         25,000,000.0icd_LineOfCreditFacilityBorrowingCapacitySubjectToRestrictions
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
25,000,000.0icd_LineOfCreditFacilityBorrowingCapacitySubjectToRestrictions
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
   
Junior event           $ 40,000,000.0icd_LineOfCreditFacilityMaximumBorrowingCapacityAdditionalEquityRequired
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= icd_CITFinanceLLCsyndicateMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_JuniorSubordinatedDebtMember
   
Scenario, forecast | Revolving credit facility                
Debt Instrument [Line Items]                
Borrowing limit based on appraised forced liquidation of eligible completed and owned drilling rigs               75.00%icd_DebtInstrumentBorrowingLimitationsOnRigs
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
Decrease borrowing limit               1.25%icd_DebtInstrumentBorrowingLimitationsDecreaseBorrowingLimitedPerQuarter
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember