Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income attributable to Cactus Inc.	$ 169,171	$ 110,174	$ 49,593
Net income attributable to non-controlling interest	35,075	27,235	13,744
Net income attributable to Cactus Inc. - diluted	$ 204,246	$ 137,409	$ 63,337
Denominator:
Effect of dilutive shares (in shares)	14,819	16,014	20,709
Corporate effective interest rate, if-converted method	26.00%	25.00%	27.00%
Class A Common Stock
Denominator:
Weighted average Class A Shares Outstanding - basic (in shares)	64,641	60,323	55,398
Weighted average Class A shares outstanding - diluted (in shares)	79,460	76,337	76,107
Earnings per Class A share - basic (in dollars per share)	$ 2.62	$ 1.83	$ 0.90
Earnings per Class A share - diluted (in dollars per share)	$ 2.57	$ 1.80	$ 0.83