Restructuring and Other Charges - Restructuring Reserve Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 682	$ 4,033
Restructuring and Business Combination Related Expenses, Non-Recurring Legal Expenses	0	109
Business Combination, Integration Related Costs	0	$ (7)
Balance accrued as of December 31, 2013	664
Restructuring Charges	682
Restructuring Reserve, Accrual Adjustment	0
Expenditures	(247)
Balance accrued as of September 30, 2014	1,099
Restructuring Reserve, Noncurrent	100
Severance, Payroll Taxes and Other Employee Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Balance accrued as of December 31, 2013	82
Restructuring Charges	682
Restructuring Reserve, Accrual Adjustment	0
Expenditures	(106)
Balance accrued as of September 30, 2014	658
Lease Abandonment Charges [Member]
Restructuring Cost and Reserve [Line Items]
Balance accrued as of December 31, 2013	582
Restructuring Charges	0
Restructuring Reserve, Accrual Adjustment	0
Expenditures	(141)
Balance accrued as of September 30, 2014	$ 441