Commitments and Contingencies - Future Minimum Annual Lease Payments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Leases [Abstract]
Operating leases Remainder of 2015	$ 2,602
Operating leases 2016	2,190
Operating leases 2017	731
Operating leases 2018	193
Operating leases 2019	71
Operating leases, Future Minimum Payments Due, Total	5,787
Capital leases Remainder of 2015	625
Capital leases 2016	787
Capital leases 2017	347
Capital leases 2018	0
Capital leases 2019	0
Total Capital leases	1,759
Less: amount representing interest	(170)
Present value of minimum lease payments	1,589
Current portion of capital leases	(715)
Capital leases, less current portion	$ 874