Restructuring (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring activities [Abstract]
Beginning balance	$ 1,301
Payments	(178)
Non-cash adjustment	(402)
Ending balance	721
Employee Termination Costs [Member]
Restructuring activities [Abstract]
Beginning balance	272
Payments	(146)
Non-cash adjustment	(126)
Ending balance	0
Contract Exit Costs [Member]
Restructuring activities [Abstract]
Beginning balance	1,029
Payments	(32)
Non-cash adjustment	(276)
Ending balance	$ 721