Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Income Tax Disclosure [Abstract]      
Unrecognized tax benefits that would affect the effective tax rate if recognized $ 320   $ 250
Interest and penalties net of tax recognized 0 $ 0  
Accrued interest and penalties $ 0   $ 0