Goodwill and Intangible Assets - Future Amortization of Intangible Assets (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2017 $ 9,042
2018 6,923
2019 6,393
2020 4,023
2021 2,960
Thereafter 14,660
Total $ 44,001