CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 43,648	$ 22,301	$ 111,598	$ 43,733
Foreign currency translation	(519)	173	(870)	456
Comprehensive income	43,129	22,474	110,728	44,189
Less: pre-IPO comprehensive income attributable to Cactus LLC		$ 22,474	13,928	$ 44,189
Less: comprehensive income attributable to non-controlling interest	24,679		62,453
Comprehensive income attributable to Cactus Inc.	$ 18,450		$ 34,347