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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Income Tax Disclosure [Abstract] |  |
Deferred tax assets, Employee benefits and deferred compensation | $ 1,745 | $ 1,722
Deferred tax assets, asset impairments | 2,619 | 2,693
Deferred tax assets, Other temporary differences | (807) | (937)
Deferred tax assets Net operating loss carryforwards | 21,977 | 21,957
Deferred Tax Assets, Gross | 25,534 | 25,435
Valuation allowance | (25,534) | (25,208)
Net deferred tax assets |  | $ 227

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