v3.3.1.900
Commitments and Contingencies (Additional Information) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]      
Rent expense $ 6.6 $ 6.2 $ 5.4
Deferred rent credit, noncurrent $ 0.5 $ 0.5