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Income Taxes Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Deferred Federal | $ 17,317 | $ 20,497 | $ 18,220
Tax net operating loss carryforwards | 18,109 | 17,620 |
Valuation allowance, amount | 17,791 | 17,224 |
State Tax Net Operating Losses [Member] |  |  |
Valuation allowance, amount | $ 15,600 | $ 15,600 |
Percent of deferred tax asset for which valuation allowance has been recognized | 99.00% | 99.00% |
Foreign Tax Net Operating Losses [Member] |  |  |
Valuation allowance, amount | $ 2,200 | $ 1,600 |
Percent of deferred tax asset for which valuation allowance has been recognized | 92.00% | 88.00% |
Intangible Assets [Member] |  |  |
Deferred Federal | $ (20,600) | $ (21,000) | $ (19,300)

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