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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
May 31, 2017 | Jun. 30, 2017 | Dec. 31, 2016
Inventory, net |  |  |
Raw materials |  | $ 86,365 | $ 84,431
Work-in-progress |  | 8,701 | 1,204
Finished goods |  | 13,075 | 17,960
Total inventory |  | 108,141 | 103,595
Cash contribution for joint venture | $ 20,000 |  |
Accounting Standards Update 2016-09 |  |  |
Inventory, net |  |  |
Decrease in deferred tax liabilities |  | 7,100 |
Decrease in capital in excess |  | 1,900 |
Accounting Standards Update 2016-09 | Reclassification |  |  |
Inventory, net |  |  |
Increase in retained earnings |  | 7,100 |
Accrued liabilities |  |  |
Inventory, net |  |  |
Deferred Revenue |  | 278,300 | 255,600
Other long-term liabilities |  |  |
Inventory, net |  |  |
Deferred Revenue |  | 191,800 | 321,000
Other current assets |  |  |
Inventory, net |  |  |
Deferred expenses |  | 69,400 | 63,400
Other long term assets |  |  |
Inventory, net |  |  |
Deferred expenses |  | $ 48,200 | $ 69,500
Saudi Aramco |  |  |
Inventory, net |  |  |
Cash contribution for joint venture | 20,000 |  |
Joint Venture in Saudi Arabia |  |  |
Inventory, net |  |  |
Cash contribution for joint venture | $ 40,000 |  |

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