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Organization and Nature of Operations (Details) - $ / shares shares in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Cactus LLC |  |
Organization and Nature of Operations |  |
Ownership percentage | 78.00% | 63.30%
Class A Common Stock |  |
Organization and Nature of Operations |  |
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares outstanding (in shares) | 59,035 | 47,713
Voting power of shares outstanding as a percent of the total shares outstanding | 78.00% |
Class B Common Stock |  |
Organization and Nature of Operations |  |
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares outstanding (in shares) | 16,674 | 27,655
Voting power of shares outstanding as a percent of the total shares outstanding | 22.00% |

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