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Acquisitions - Acquisition of CenStar Energy Corp - Narrative (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 08, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |
Contingent consideration - earnout obligations incurred in connection with the Provider Companies and Major Energy Companies acquisitions |  | $ 18,936 | [1] | $ 0 | [2] | $ 0 |
Revenues |  | 546,697 | [3] | 358,153 | [4] | 322,876 |
Operating loss |  | $ (84,001) | [3] | (29,905) | [4] | $ 3,841 |
CenStar |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Purchase price | $ 8,300 |  |  |  |  |  |
EBITDA attributable to operations, earn-out | 500 |  |  | 500 |  |  | $ 1,500
Revenues |  |  |  | 21,400 |  |  |
Operating loss |  |  |  | 1,400 |  |  |
Acquisition costs |  |  |  | $ 100 |  |  |
CenStar | Senior Secured Revolving Credit Facility |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Initial working capital estimate | 10,400 |  |  |  |  |  |
Contingent consideration - earnout obligations incurred in connection with the Provider Companies and Major Energy Companies acquisitions | 16,600 |  |  |  |  |  |
CenStar | Convertible Debt | Censtar Convertible Debt |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Contingent consideration - earnout obligations incurred in connection with the Provider Companies and Major Energy Companies acquisitions | $ 2,100 |  |  |  |  |  |
[1] | Financial information has been recast to include results attributable to the acquisition of the Major Energy Companies from an affiliate on August 23, 2016. See Notes 2 and 3 "Basis of Presentation and Summary of Significant Accounting Policies" and "Acquisitions," respectively, for further discussion.
[2] | Financial information has been recast to include results attributable to the acquisition of Oasis Power Holdings LLC by an affiliate on May 12, 2015. See Notes 2 "Basis of Presentation and Summary of Significant Accounting Policies" for further discussion.
[3] | Financial information has been recast to include results attributable to the acquisition of Major Energy Companies by an affiliate on April 15, 2016. See Notes 2 and 3 "Basis of Presentation and Summary of Significant Accounting Policies" and "Acquisitions," respectively, for further discussion.
[4] | (2) Financial information has been recast to include results attributable to the acquisition of Oasis Power Holdings LLC from an affiliate on May 12, 2015. See Notes 2 and 3 "Basis of Presentation and Summary of Significant Accounting Policies" and "Acquisitions", respectively, for further discussion.

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