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DEBT (Details) (USD $)
12 Months Ended 0 Months Ended 3 Months Ended
Dec. 31, 2014
Jun. 02, 2015
Mar. 31, 2015
Debt Instruments      
Aggregate principal amount     16,795,000us-gaap_NotesPayable
Notes payable      
Aggregate principal amount outstanding     16,795,000us-gaap_NotesPayable
Annual maturities of notes payable      
April 2015 - March 2016     9,887,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
April 2016 - March 2017     5,892,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
April 2017 - March 2018     1,016,000us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Total     16,795,000us-gaap_NotesPayable
Future minimum lease payments      
April 2015 - March 2016     1,363,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent
April 2016 - March 2017     743,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears
April 2017 - March 2018     270,000us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears
Total minimum lease payments required     2,376,000us-gaap_CapitalLeasesFutureMinimumPaymentsDue
Minimum      
Future minimum lease payments      
Interest rate (as a percent) 3.76%dwsn_CapitalLeaseInterestRateStatedPercentage
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Maximum      
Future minimum lease payments      
Interest rate (as a percent) 8.17%dwsn_CapitalLeaseInterestRateStatedPercentage
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Legacy Dawson Indebtedness      
Debt Instruments      
Number of notes payable 3dwsn_NumberOfNotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
  3dwsn_NumberOfNotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
Aggregate principal amount 8,577,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
  6,777,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
Borrowing, repaying and reborrowing capacity   20,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
 
Percentage of maximum borrowing capacity on eligible accounts receivable   80.00%dwsn_PercentageOfMaximumBorrowingCapacityOnEligibleAccountsReceivable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
 
Capital lease obligations 1,650,000us-gaap_CapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
  1,474,000us-gaap_CapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
Notes payable      
Aggregate principal amount outstanding 8,577,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
  6,777,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
Annual maturities of notes payable      
Total 8,577,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
  6,777,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
Legacy Dawson Indebtedness | LIBOR      
Debt Instruments      
Variable interest rate basis     30-day LIBOR
Spread on variable rate (as a percent)     2.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
Legacy Dawson Indebtedness | Prime rate      
Debt Instruments      
Variable interest rate basis     Prime Rate
Spread on variable rate (as a percent)     (0.75%)us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
Legacy Dawson Indebtedness | Minimum      
Debt Instruments      
Interest rate     4.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Average debt service coverage ratio     1.5dwsn_DebtInstrumentCovenantDebtServiceCoverageRatio
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Ratio of current assets to current liabilities     1.5dwsn_CurrentRatio
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Legacy Dawson Indebtedness | Maximum      
Debt Instruments      
Debt to tangible net worth ratio     1.5dwsn_DebtInstrumentCovenantDebtToTangibleNetWorthRatio
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyDawsonCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Legacy TGC Indebtedness      
Debt Instruments      
Number of notes payable     3dwsn_NumberOfNotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Aggregate principal amount     9,265,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Borrowing, repaying and reborrowing capacity     5,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Percentage of maximum borrowing capacity on eligible accounts receivable     80.00%dwsn_PercentageOfMaximumBorrowingCapacityOnEligibleAccountsReceivable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Interest rate     4.09%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Minimum tangible net worth     55,000,000us-gaap_MinimumNetWorthRequiredForCompliance
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Capital lease obligations     902,000us-gaap_CapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Notes payable      
Aggregate principal amount outstanding     9,265,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Annual maturities of notes payable      
Total     9,265,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
Legacy TGC Indebtedness | Minimum      
Debt Instruments      
Interest rate     5.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Average debt service coverage ratio     2.0dwsn_DebtInstrumentCovenantDebtServiceCoverageRatio
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Legacy TGC Indebtedness | Maximum      
Debt Instruments      
Debt to tangible net worth ratio     1.25dwsn_DebtInstrumentCovenantDebtToTangibleNetWorthRatio
/ us-gaap_LongtermDebtTypeAxis
= dwsn_LegacyTgcCreditAgreementMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Legacy TGC Indebtedness | Maximum | Prime rate      
Debt Instruments      
Variable interest rate basis     Prime Rate
Notes payable to commercial banks      
Debt Instruments      
Aggregate principal amount 8,577,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  16,715,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Notes payable      
Aggregate principal amount outstanding 8,577,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  16,715,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Minimum interest rate (as a percent) 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  3.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Maximum interest rate (as a percent) 4.60%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  4.60%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Annual maturities of notes payable      
Total 8,577,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
  16,715,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Notes payable to commercial banks | Term Note | Equipment      
Debt Instruments      
Number of notes payable     1dwsn_NumberOfNotesPayable
/ dwsn_CollateralTypeAxis
= us-gaap_EquipmentMember
/ us-gaap_CreditFacilityAxis
= dwsn_TermNoteMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Aggregate principal amount     673,000us-gaap_NotesPayable
/ dwsn_CollateralTypeAxis
= us-gaap_EquipmentMember
/ us-gaap_CreditFacilityAxis
= dwsn_TermNoteMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Notes payable      
Aggregate principal amount outstanding     673,000us-gaap_NotesPayable
/ dwsn_CollateralTypeAxis
= us-gaap_EquipmentMember
/ us-gaap_CreditFacilityAxis
= dwsn_TermNoteMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Interest rate (as a percent)     4.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ dwsn_CollateralTypeAxis
= us-gaap_EquipmentMember
/ us-gaap_CreditFacilityAxis
= dwsn_TermNoteMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Annual maturities of notes payable      
Total     673,000us-gaap_NotesPayable
/ dwsn_CollateralTypeAxis
= us-gaap_EquipmentMember
/ us-gaap_CreditFacilityAxis
= dwsn_TermNoteMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
Notes payable to commercial banks | Minimum      
Notes payable      
Monthly payments (excluding interest) 128,363us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
  128,363us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Notes payable to commercial banks | Maximum      
Notes payable      
Monthly payments (excluding interest) 290,938us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
  290,938us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableToBanksMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Notes Payable to finance companies for insurance notes      
Debt Instruments      
Number of notes payable     1dwsn_NumberOfNotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_NotesPayableToFinanceCompaniesForInsuranceNotesMember
Aggregate principal amount     80,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_NotesPayableToFinanceCompaniesForInsuranceNotesMember
Notes payable      
Aggregate principal amount outstanding     80,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_NotesPayableToFinanceCompaniesForInsuranceNotesMember
Interest rate (as a percent)     4.09%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= dwsn_NotesPayableToFinanceCompaniesForInsuranceNotesMember
Monthly payments (excluding interest)     14,674us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_LongtermDebtTypeAxis
= dwsn_NotesPayableToFinanceCompaniesForInsuranceNotesMember
Annual maturities of notes payable      
Total     80,000us-gaap_NotesPayable
/ us-gaap_LongtermDebtTypeAxis
= dwsn_NotesPayableToFinanceCompaniesForInsuranceNotesMember