Restructuring (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Restructuring Reserve [Roll Forward]
December 31, 2014	$ 343
Charge to expense	1,234
Cash paid	1,419
September 30, 2015	158
Accrued Severance [Member]
Restructuring Reserve [Roll Forward]
December 31, 2014	127
Charge to expense	772
Cash paid	741
September 30, 2015	158
Retention Agreements [Member]
Restructuring Reserve [Roll Forward]
December 31, 2014	216
Charge to expense	437
Cash paid	653
September 30, 2015	0
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
December 31, 2014	0
Charge to expense	25
Cash paid	25
September 30, 2015	$ 0