Summary of Significant Accounting Policies and Other Items - Tax Receivable Agreement (TRA) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Gain (loss) on change in TRA liability	$ 0.9	$ (0.6)	$ 5.3

The amount of gain or (loss) arising due to change in tax receivable agreement.

No definition available.

Name:	whd_GainLossOnChangeInTaxReceivableAgreementLiability
Namespace Prefix:	whd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration