Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Goodwill And Intangible Assets [Line Items]
Intangible assets, net	$ 4,436	$ 5,011
Accumulated amortization	26,400	25,800
Remainder of 2015	192
2016	589
2017	341
2018	341
2019	330
Thereafter	402
Total	2,195
Trademarks and Trade Names
Goodwill And Intangible Assets [Line Items]
Intangible assets, net	2,200	2,200
Customer-Related Intangible Assets
Goodwill And Intangible Assets [Line Items]
Intangible assets, net	$ 2,200	$ 2,800