Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		12 Months Ended	86 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Mar. 31, 2025	Jun. 06, 2023
Equity
CW Unit redemptions (in shares)	0	0
Cash dividend declared (in dollars per share)	$ 0.13	$ 0.12
Pro rata distributions made to other members	$ 5,089	$ 1,684
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
Cactus Companies
Equity
Ownership interest	85.70%
Cactus LLC
Equity
Ownership interest			85.60%
Cactus Inc
Equity
Cash distributions to unit holders	$ 30,400	7,800
CC Unit Holders other than Cactus, Inc.
Equity
Pro rata distributions made to other members	$ 5,100	$ 1,700
Class A Common Stock
Equity
Common stock, shares outstanding (in shares)	68,390		68,152	68,390
Shares outstanding, percentage of total voting power	85.70%			85.70%
Cash dividend declared (in dollars per share)	$ 0.13	$ 0.12
Dividends declared	$ 9,000	$ 8,000
Dividends paid	$ 9,200	$ 8,100
Class A Common Stock | Cactus Companies LLC Agreement
Equity
CW Unit redemptions (in shares)				49,100
Class B Common Stock
Equity
Common stock, shares outstanding (in shares)	11,433		11,433	11,433
Shares outstanding, percentage of total voting power	14.30%			14.30%