Summary of Significant Accounting Policies (Details) $ in Thousands		3 Months Ended			6 Months Ended			12 Months Ended
	May 17, 2017	Jun. 30, 2017 USD ($)		Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) segment		Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Allowance for doubtful accounts		$ 0			$ 0			$ 131
Inventory impairment		0		$ 0	$ 0		$ 0
Property, plant and equipment useful life					15 years
Cost of vehicles pledged		0			$ 0			859
Intangible assets, net		62			$ 62			36
Definite-lived intangible assets useful life					15 years
Goodwill impairment		0		0	$ 0		0
Impairment of long-lived assets		0		0	0		0
Impairment of definite-lived intangible assets		0		0	0		0
Research and development expense		114		254	196		426
Provision for income taxes		498	[1]	7	520	[1]	12
Environmental matters deemed probable					$ 0			$ 0
Number of operating segment | segment					1
Net excess tax benefits, operating		$ 0		0	$ 0		0
Texas
Franchise tax rate (as a percent)		1.00%			1.00%
Maximum taxable margin (as a percent)		70.00%			70.00%
Provision for income taxes		$ 23		$ 7	$ 45		$ 13
Maximum
Accounts receivable due period					60 days
Proppant systems and related equipment | Maximum
Property, plant and equipment useful life					15 years
Machinery and equipment | Minimum
Property, plant and equipment useful life					2 years
Machinery and equipment | Maximum
Property, plant and equipment useful life					10 years
Furniture and fixtures
Property, plant and equipment useful life					5 years
Computer equipment
Property, plant and equipment useful life					3 years
Vehicles
Property, plant and equipment useful life					5 years
Tax Receivable Agreement
Payments of net cash saving (as a percent)	85.00%				85.00%
Benefit of remaining cash savings (as a percent)	15.00%

[1] Represents earnings per share of Class A common stock and weighted-average shares of Class A common stock outstanding for the period from May 17, 2017 through June 30, 2017, the period following the reorganization transactions and IPO. See Note 9.