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Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred income tax assets: |  |
Stock Compensation | $ 1,011 | $ 1,249
Other | 4 | 80
Total deferred income tax assets | 1,015 | 1,329
Deferred income tax liabilities: |  |
Property and equipment | (56,132) | (58,610)
Goodwill and other intangible assets | (998) | (1,023)
Other | (343) | 0
Total deferred income tax liabilities | (57,473) | (59,633)
Net deferred income tax liabilities | $ (56,458) | $ (58,304)

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