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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 19, 2013
Dec. 10, 2012
Income Tax Disclosure [Abstract]          
Deferred tax assets, net $ 4,206 $ 4,569      
Operating Loss Carryforwards [Line Items]          
Unrecognized tax benefits 6,857 $ 6,857 $ 7,999    
Internal Revenue Service (IRS) | Domestic Tax Authority          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryforwards $ 252,200     $ 85,800  
Internal Revenue Service (IRS) | Domestic Tax Authority | Tax Year 2012          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryforwards         $ 160,800
Annual operating loss carryforward limitation         $ 15,400