Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]
Remaining 2015	$ 2,059		$ 2,059
2016	6,998		6,998
2017	4,769		4,769
2018	2,030		2,030
2019	680		680
2020 and thereafter	325		325
Operating Leases, Future Minimum Payments Due	16,861		16,861
Operating Leases, Rent Expense	$ 2,300	$ 2,400	$ 6,900	$ 7,000