CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Total revenues	$ 59,789	$ 160,808	$ 280,476	$ 488,176
Costs and expenses
Selling, general and administrative expenses	8,384	13,348	30,739	39,268
Severance expenses	0	0	1,864	0
Total costs and expenses	47,233	113,685	218,860	341,111
Income from operations	12,556	47,123	61,616	147,065
Interest income, net	218	373	851	489
Other income (expense), net	(1,865)	558	(555)	(484)
Income before income taxes	10,909	48,054	61,912	147,070
Income tax expense	23	12,221	8,833	22,041
Net income	10,886	35,833	53,079	125,029
Less: net income attributable to non-controlling interest	4,653	16,494	21,835	57,475
Net income attributable to Cactus Inc.	$ 6,233	$ 19,339	$ 31,244	$ 67,554
Earnings per share and weighted average shares outstanding
Earnings per Class A share - basic (in dollars per share)	$ 0.13	$ 0.41	$ 0.66	$ 1.53
Earnings per Class A share - diluted (in dollars per share)	$ 0.13	$ 0.41	$ 0.64	$ 1.50
Weighted average Class A shares outstanding - diluted (in shares)	75,622	47,322	75,427	75,337
Class A Common Stock
Earnings per share and weighted average shares outstanding
Earnings per Class A share - basic (in dollars per share)	$ 0.13	$ 0.41	$ 0.66	$ 1.53
Earnings per Class A share - diluted (in dollars per share)	$ 0.13	$ 0.41	$ 0.64	$ 1.50
Weighted average Class A shares outstanding - basic (in shares)	47,510	47,095	47,406	44,260
Weighted average Class A shares outstanding - diluted (in shares)	75,622	47,322	75,427	75,337
Product revenue
Revenues
Total revenues	$ 35,857	$ 92,582	$ 163,781	$ 273,716
Costs and expenses
Cost of revenue	19,879	57,768	101,976	168,303
Rental revenue
Revenues
Total revenues	9,881	35,528	57,579	113,601
Costs and expenses
Cost of revenue	9,647	17,194	39,661	54,435
Field service and other revenue
Revenues
Total revenues	14,051	32,698	59,116	100,859
Costs and expenses
Cost of revenue	$ 9,323	$ 25,375	$ 44,620	$ 79,105