Annual report pursuant to Section 13 and 15(d)

Income Taxes - Narrative (Details)

v3.3.1.900
Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Valuation Allowance [Line Items]        
Federal statutory tax rate 35.00%      
Net operating loss carryforward $ 1,700      
Net Operating Loss Carryforward and Valuation Allowance, Gross 4,800      
Operating Loss Carryforwards, Valuation Allowance 1,700      
Valuation allowance 53,199 $ 73,659 $ 50,782 $ 39,122
Business acquisition, uncertain tax positions 4,600 4,200    
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 4,500 3,200    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 1,400 1,000    
Federal        
Valuation Allowance [Line Items]        
Operating loss carryforwards 91,900 128,400    
State        
Valuation Allowance [Line Items]        
Operating loss carryforwards 40,500 64,800    
Domestic Deferred Tax Assets        
Valuation Allowance [Line Items]        
Valuation allowance 49,500 70,900    
Foreign Deferred Tax Assets        
Valuation Allowance [Line Items]        
Valuation allowance $ 3,700 $ 2,800