Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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

No definition available.

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

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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

The discounted amount of the liability under the tax receivable agreement.

No definition available.

Name:	whd_DiscountedCommitmentUnderTaxReceivableAgreement
Namespace Prefix:	whd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

Name:	whd_PreparationOfInterimFinancialStatementsAndOtherItemsAbstract
Namespace Prefix:	whd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The aggregate period of payments under the Tax Receivable Agreement.

No definition available.

Name:	whd_TaxReceivableAgreementAggregatePeriodOfPayments
Namespace Prefix:	whd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of liability under tax receivable agreement classified as non current.

No definition available.

Name:	whd_TaxReceivableAgreementLiabilityNonCurrent
Namespace Prefix:	whd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The period, after the finalization of the schedule, during which payments are generally made under the tax receivable agreement.

No definition available.

Name:	whd_TaxReceivableAgreementPaymentPeriodAfterFinalizationOfSchedule
Namespace Prefix:	whd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The period of payments under the Tax Receivable Agreement after all units have been redeemed.

No definition available.

Name:	whd_TaxReceivableAgreementPeriodOfPaymentsAfterRedemptionOfUnits
Namespace Prefix:	whd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

For the tax receivable liability, when payments are deferred, the percentage points added to the reference rate to compute the variable rate on the instrument.

No definition available.

Name:	whd_TaxReceivableLiabilityBasisSpreadOnVariableRateDuringDeferralPeriod
Namespace Prefix:	whd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Per tax receivable agreement, the amount of the tax savings benefit to be retained by the entity.

No definition available.

Name:	whd_TaxSavingsBenefitRetainedAsPercent
Namespace Prefix:	whd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Per tax receivable agreement, the percentage of savings in federal, state and local income tax or franchise tax that the entity realizes or is deemed to realize in certain circumstances.

No definition available.

Name:	whd_TaxSavingsPayableToTraHoldersAsPercent
Namespace Prefix:	whd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The undiscounted amount of the liability under the tax receivable agreement.

No definition available.