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Summary of Significant Accounting Policies and Other Items - Self Insurance Accrued Expenses (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Accounting Policies [Abstract] |  |
Self insurance accrued expenses | $ 1.1 | $ 1.3
Warranty period | 12 months |

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- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Information pertaining to self insurance accrued expenses. + References No definition available. + Details
Name: | whd_SelfInsuranceAccruedExpenses
Namespace Prefix: | whd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The period of warranty given for the manufactured goods. + References No definition available. + Details
Name: | whd_StandardProductWarrantyPeriod
Namespace Prefix: | whd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration