Goodwill and Intangible Assets - Changes in the Carrying Amount of Goodwill in Total and for Each Reporting Unit (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill
Goodwill, beginning balance	$ 45,968
Goodwill, ending balance	45,968
Intangible Assets, Net
Intangible Assets, Net, beginning balance	5,011
Amortization of intangible assets	(383)
Intangible Assets, Net, Ending balance	$ 4,628