CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 88,116	$ 70,841
Accounts receivable, net of allowance of $578 and $576, respectively	107,873	92,269
Inventories	108,182	99,837
Prepaid expenses and other current assets	11,028	11,558
Total current assets	315,199	274,505
Property and equipment, net	148,856	142,054
Operating lease right-of-use assets, net	25,110
Goodwill	7,824	7,824
Deferred tax asset, net	244,359	159,053
Other noncurrent assets	1,285	1,308
Total assets	742,633	584,744
Current liabilities
Accounts payable	44,847	42,047
Accrued expenses and other current liabilities	15,932	15,650
Current portion of liability related to tax receivable agreement	9,574	9,574
Finance lease obligations, current portion	6,956	7,353
Operating lease liabilities, current portion	6,772
Total current liabilities	84,081	74,624
Deferred tax liability, net	1,244	1,036
Liability related to tax receivable agreement, net of current portion	214,968	138,015
Finance lease obligations, net of current portion	7,225	8,741
Operating lease liabilities, net of current portion	18,754
Total liabilities	326,272	222,416
Stockholders' / Members' equity (deficit)
Additional paid-in capital	189,902	126,418
Retained earnings	78,490	51,683
Accumulated other comprehensive income (loss)	(259)	(820)
Total stockholders' equity attributable to Cactus Inc. and members' equity (deficit)	268,597	177,658
Non-controlling interest	147,764	184,670
Total stockholders' equity	416,361	362,328
Total liabilities and equity	742,633	584,744
Class A Common Stock
Stockholders' / Members' equity (deficit)
Common stock, $0.01 par value	$ 464	$ 377