Name:	dxpe_IncrementalIncreaseInTermLoan
Namespace Prefix:	dxpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Line of Credit Facility, Soft Call Prepayment Penalty Period

No definition available.

Name:	dxpe_LineofCreditFacilitySoftCallPrepaymentPenaltyPeriod
Namespace Prefix:	dxpe_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Number of credit agreement the entity entered into.

No definition available.

Name:	dxpe_NumberofCreditAgreements
Namespace Prefix:	dxpe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The percentage of penalty on soft call for certain prepayments.

No definition available.

Name:	dxpe_PrepaymentPenaltyOnSoftCall
Namespace Prefix:	dxpe_
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.

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Data Type:	num:percentItemType
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Period Type:	duration

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

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Name:	us-gaap_DebtInstrumentFaceAmount
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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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
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Period Type:	duration

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Balance Type:	na
Period Type:	duration

Amount, after accumulated amortization, of debt discount (premium).

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Name:	us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of the cost of borrowed funds accounted for as interest expense.

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Name:	us-gaap_InterestExpense
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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.

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

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.

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Period Type:	instant

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

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
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Balance Type:	debit
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Name:	srt_RangeAxis=srt_MinimumMember
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Name:	srt_RangeAxis=srt_MaximumMember
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Namespace Prefix:
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