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Equity Equity (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 12, 2016 | Oct. 26, 2016 | Sep. 30, 2016 | Sep. 30, 2015
Class of Stock [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | 18.4 |  |  |
Sale of Stock, Price Per Share | $ 30.00 |  |  |
Proceeds from Issuance of Common Stock | $ 530,900 |  | $ 533,266 | $ 3,157
Scenario, Forecast [Member] | QStar Acquisition 2016 [Member] | Subsequent Event [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 13.4 |  |
Sale of Stock, Price Per Share |  | $ 37.35 |  |
Non-Cash Proceeds from Issuance of Private Placement |  | $ 500,000 |  |

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