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Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended	101 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Jun. 30, 2026	Jun. 06, 2023
Equity
CW Unit redemptions (in shares)			400	200
Cash dividend declared (in dollars per share)	$ 0.14	$ 0.13	$ 0.28	$ 0.26
Pro rata distributions made to other members			$ 4,250	$ 8,743
Share Repurchase Program
Equity
Authorized amount of stock repurchase							$ 150,000
Common stock \| Share Repurchase Program
Equity
Common stock authorized repurchase amount	$ 146,300		$ 146,300			$ 146,300
Cactus Companies
Equity
Ownership interest (in percent)			86.80%
Cactus LLC
Equity
Ownership interest (in percent)					86.30%
Cactus Inc
Equity
Cash distributions to unit holders			$ 27,700	52,500
CC Unit Holders other than Cactus, Inc.
Equity
Pro rata distributions made to other members			$ 4,200	$ 8,700
Class A Common Stock
Equity
Common stock, shares outstanding (in shares)	69,633		69,633		68,890	69,633
Shares outstanding, total voting power (in percent)	86.80%		86.80%			86.80%
Cash dividend declared (in dollars per share)			$ 0.28	$ 0.26
Dividends declared			$ 19,800	$ 18,100
Dividends paid			$ 20,000	$ 18,200
Class A Common Stock \| Cactus Companies LLC Agreement
Equity
CW Unit redemptions (in shares)						50,000
Class B Common Stock
Equity
Common stock, shares outstanding (in shares)	10,546		10,546		10,958	10,546
Shares outstanding, total voting power (in percent)	13.20%		13.20%			13.20%