Restructuring, CEO Transition and Other Costs - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Consulting costs	$ 300
Other costs	600
Employee Severance Costs, Including Executive Transition Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs, expected cost remaining	400
Business Restructuring Reserves
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	1,601	[1]
Business Restructuring Reserves | Employee Severance Costs, Including Executive Transition Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	352	[1]
Business Restructuring Reserves | Facility Closure and Lease Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	722	[1]
Business Restructuring Reserves | Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges incurred	527	[1]
Other restructuring expenses, non-cash	$ 300

[1] Total restructuring, CEO transition, and other costs for the three months ended March 31, 2017 include $0.3 million of other non-cash expenses that were not recorded as a restructuring liability and are therefore excluded from the rollforward above.