Goodwill and Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,333	$ 1,333
Accumulated Amortization	(773)	(697)
Net Carrying Amount	$ 560	$ 636
Network List
Finite Lived Intangible Assets [Line Items]
Useful life of identifiable intangible assets	2 years	2 years
Gross Carrying Amount	$ 420	$ 420
Accumulated Amortization	$ (420)	$ (420)
Technology
Finite Lived Intangible Assets [Line Items]
Useful life of identifiable intangible assets	3 years	3 years
Gross Carrying Amount	$ 913	$ 913
Accumulated Amortization	(353)	(277)
Net Carrying Amount	$ 560	$ 636