Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items]
Accumulated amortization of deferred debt costs		$ 5,200	$ 13,500
Deferred debt costs		13,300	26,600
Amortization of deferred financing costs		6,000	3,100	$ 3,200
Trade names value		3,400	1,900
Amortization expense of intangible assets		8,500	8,900	$ 8,600
Completion and remedial services
Summary Of Significant Accounting Policies [Line Items]
Goodwill impairment	$ 646	$ 646
Trade names
Summary Of Significant Accounting Policies [Line Items]
Amortization period of intangible assets		15 years
Developed technology
Summary Of Significant Accounting Policies [Line Items]
Amortization period of intangible assets		5 years
Amended Revolving Credit Facility
Summary Of Significant Accounting Policies [Line Items]
Amortization of deferred financing costs		$ 2,400	$ 500
Well service units and equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives		3 years
Well service units and equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives		15 years