CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 9,095	$ 40,750	$ 42,193	$ 89,196
Foreign currency translation adjustments	879	(371)	(204)	(101)
Comprehensive income	9,974	40,379	41,989	89,095
Less: comprehensive income attributable to non-controlling interest	3,448	19,203	17,095	40,989
Comprehensive income attributable to Cactus Inc.	$ 6,526	$ 21,176	$ 24,894	$ 48,106