Name:	dske_ConsolidatedDebtLessCertainCashAndCashEquivalents
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Covenant regarding excess availability falling below stated amount.

No definition available.

Name:	dske_DebtInstrumentFinancialCovenantExcessCashAvailability
Namespace Prefix:	dske_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the consolidated total leverage ratio on ABL Facility.

No definition available.

Name:	dske_DebtInstrumentFinancialCovenantLeverageRatio
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the consolidated total leverage ratio commencing on March 31, 2021

No definition available.

Name:	dske_DebtInstrumentFinancialCovenantLeverageRatioFive
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Represents the consolidated total leverage ratio commencing on March 31, 2019

No definition available.

Name:	dske_DebtInstrumentFinancialCovenantLeverageRatioFour
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Data Type:	num:percentItemType
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Period Type:	duration

Represents the consolidated total leverage ratio commencing on June 30, 2017.

No definition available.

Name:	dske_DebtInstrumentFinancialCovenantLeverageRatioOne
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Data Type:	num:percentItemType
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Period Type:	duration

Represents the consolidated total leverage ratio commencing on March 31, 2018

No definition available.

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Data Type:	num:percentItemType
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Represents the consolidated total leverage ratio commencing on September 30, 2017

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of maximum credit amount during any period after default or event of default.

No definition available.

Name:	dske_DebtInstrumentFinancialCovenantMaximumCreditAmountPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the ratio of earnings before interest, depreciation and amortization divided by total debt service.

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

Represents the trailing period of fixed charge coverage ratio.

No definition available.

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Period Type:	duration

Minimum percentage points of variable rate on the debt instrument.

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of consecutive days, a financial covenant requiring the Company to maintain a minimum consolidated fixed charge coverage ratio

No definition available.

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Period Type:	duration

Represents the number of quarter periods to include in summing all funded debt payments during those periods. This value is then used in calculation the Company's fixed charge coverage ratio.

No definition available.

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Period Type:	duration

Represents the amount of payments on principal from excess cash flow.

No definition available.

Name:	dske_ExcessCashFlowPaymentsOfPrincipal
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Balance Type:	credit
Period Type:	duration

Rate one at which loans or a loan portfolio are expected to prepay principal balance, used as an input to measure fair value.

No definition available.

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Balance Type:	na
Period Type:	duration

Rate three at which loans or a loan portfolio are expected to prepay principal balance, used as an input to measure fair value.

No definition available.

Name:	dske_FairValueInputsPrepaymentRateThree
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Rate two at which loans or a loan portfolio are expected to prepay principal balance, used as an input to measure fair value.

No definition available.

Name:	dske_FairValueInputsPrepaymentRateTwo
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Letter of credit sublimit under the credit facility.

No definition available.

Name:	dske_LineOfCreditFacilityBorrowingSublimit
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount.

No definition available.

Name:	dske_LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Percentage of the required periodic payments of both interest and principal.

No definition available.

Name:	dske_LineOfCreditFacilityPeriodicPaymentPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount refinanced by the company due to amendment under the PNC Credit Agreement.

No definition available.

Name:	dske_LongTermDebtRefinancedAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the minimum consolidated fixed charge coverage ratio.

No definition available.

Name:	dske_MinimumConsolidatedFixedChargeCoverageRatio
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of eligible accounts receivable included as part of the calculation of the borrowing base.

No definition available.

Name:	dske_PercentageAccountsReceivableBorrowingBaseCalculation
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The maximum percentage of consolidated adjusted EBITDA permitted to be added back to consolidated adjusted EBITDA for leverage ratio purposes.

No definition available.

Name:	dske_PercentageOfEbitdaPermittedToBeAddedBackToEbitda
Namespace Prefix:	dske_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of parts supplies included as part of the calculation of the borrowing base.

No definition available.

Name:	dske_PercentagePartsSuppliesBorrowingBaseCalculation
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of unbilled accounts receivable included as part of the calculation of the borrowing base.

No definition available.

Name:	dske_PercentageUnbilledAccountsReceivableBorrowingBaseCalculation
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The average effective interest rate during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Name:	us-gaap_DebtInstrumentInterestRateDuringPeriod
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount of the required periodic payments including both interest and principal payments.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The effective interest rate at the end of the reporting period.

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

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

Maximum amount borrowed under the credit facility at any time during the period.

No definition available.

Name:	us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Name:	us-gaap_LongtermDebtTypeAxis=dske_SeniorTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LineOfCreditFacilityAxis=dske_PncBankNationalAssociationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementScenarioAxis=dske_LessThan1.25To1.00Member
Namespace Prefix:
Data Type:	na
Balance Type:
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Namespace Prefix:
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LetterOfCreditMember
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Data Type:	na
Balance Type:
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Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
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Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=dske_EquipmentNotesMember
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Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
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Data Type:	na
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Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Data Type:	na
Balance Type:
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Name:	us-gaap_CreditFacilityAxis=dske_DelayedDrawFeatureMember
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Data Type:	na
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Name:	us-gaap_LineOfCreditFacilityAxis=dske_CreditSuisseAgMember
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Data Type:	na
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Name:	us-gaap_CreditFacilityAxis=dske_AssetBasedRevolvingCreditFacilityMember
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Data Type:	na
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