Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net income attributable to Cactus Inc.	$ 44,223	$ 38,965
Net income attributable to non-controlling interest	0	8,241
Net income attributable to Cactus Inc. - diluted	$ 44,223	$ 47,206
Denominator:
Effect of dilutive shares (in shares)	470	14,178
Corporate effective income tax rate, if-converted method	25.00%	26.00%
Class A Common Stock
Denominator:
Weighted average Class A Shares Outstanding - basic (in shares)	68,194	65,378
Weighted average Class A shares outstanding - diluted (in shares)	68,664	79,556
Earnings per Class A share - basic (in dollars per share)	$ 0.65	$ 0.60
Earnings per Class A share - diluted (in dollars per share)	$ 0.64	$ 0.59
Class B Common Stock
Denominator:
Weighted average Class A shares outstanding - diluted (in shares)	11,400