Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net income attributable to Cactus Inc.	$ 42,894	$ 20,616
Net income attributable to non-controlling interest	7,312	4,953
Net income attributable to Cactus Inc. - diluted	$ 50,206	$ 25,569
Denominator:
Effect of dilutive shares (in shares)	15,415	16,874
Corporate effective income tax rate, if-converted method	24.50%	26.00%
Class A Common Stock
Denominator:
Weighted average Class A Shares Outstanding - basic (in shares)	63,740	59,288
Weighted average Class A shares outstanding - diluted (in shares)	79,155	76,162
Earnings per Class A share - basic (in dollars per share)	$ 0.67	$ 0.35
Earnings per Class A share - diluted (in dollars per share)	$ 0.63	$ 0.34