Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Remaining 2015	$ 4,160		$ 4,160
2016	6,969		6,969
2017	4,769		4,769
2018	2,030		2,030
2019	680		680
2020 and thereafter	325		325
Operating Leases, Future Minimum Payments Due	18,933		18,933
Operating Leases, Rent Expense	$ 2,300	$ 2,500	$ 4,600	$ 4,600