Restructuring - Schedule of Restructuring Liability (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Reserve [Roll Forward]
Beginning accrual balance			$ 554
Provision for estimated expenses to be incurred	$ 273	$ 734	1,193	$ 825
Payments made during the year and asset write offs			1,238
Ending accrual balance	508		508
Employee Termination Benefits Liability
Restructuring Reserve [Roll Forward]
Beginning accrual balance			438
Provision for estimated expenses to be incurred			0
Payments made during the year and asset write offs			400
Ending accrual balance	38		38
Other Exit Costs Liability
Restructuring Reserve [Roll Forward]
Beginning accrual balance			116
Provision for estimated expenses to be incurred			1,193
Payments made during the year and asset write offs			838
Ending accrual balance	$ 470		$ 470