Corporate Restructuring and Other Organizational Changes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,945	$ 2,602	$ 4,127
Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,300
Operating Lease Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 1,300
General and Administrative Expense | Leased Facilities
Restructuring Cost and Reserve [Line Items]
Lease termination fee	$ 2,400