Related Party Transactions - Reconciliation of Net Distributions to Parent (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Related Party Transactions [Abstract] | |||
| Net distributions to parent per the statements of stockholders’ equity | $ (57,635) | $ (59,970) | |
| Stock-based compensation expenses prior to the Spin-off | (6,066) | (5,288) | |
| Stock-based compensation excess tax benefit prior to the Spin-off | 1,193 | 3,434 | |
| Net transfers of property, plant and equipment from parent prior to the Spin-off | $ 0 | (7,627) | (17,472) |
| Transfer of net deferred tax liabilities from parent at Spin-off | 0 | 29,203 | 0 |
| Transfer of other net assets to parent at Spin-off | 1,907 | 0 | |
| Net distributions to parent per the statements of cash flows | $ 0 | $ (39,025) | $ (79,296) |