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Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Income Tax Disclosure [Abstract]          
Income tax examination, likelihood of unfavorable settlement     greater than 50 percent    
Uncertain tax positions $ 0   $ 0   $ 0
Accrued interest or penalties 0   0   $ 0
Recognized interest or penalties $ 0 $ 0 $ 0 $ 0