Classification of Deferred Tax Assets and Liabilities - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Deferred Tax Assets Liabilities Net [Abstract] | ||
| Current deferred tax liabilities | $ 0 | $ 2,385 |
| Noncurrent deferred tax assets | 125,245 | 124,788 |
| Net deferred tax assets (liabilities) | $ 125,200 | $ 122,400 |