Restructuring and Related Activities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Restructuring Reserve [Roll Forward]
Accrual beginning balance	$ 6,343	$ 2,641
Charges	2,933	9,483
Cash Payments	(8,564)	(8,822)
Non-cash Amounts	(712)	10
Accrual ending balance	0	3,312
Total cumulative charges incurred to date	28,893
Estimated additional charges to be incurred	0
Facility Costs
Restructuring Reserve [Roll Forward]
Accrual beginning balance	4,365	2,196
Charges	2,077	5,129
Cash Payments	(5,733)	(5,650)
Non-cash Amounts	(709)	4
Accrual ending balance	0	1,679
Total cumulative charges incurred to date	16,255
Estimated additional charges to be incurred	0
Employee Separation Costs
Restructuring Reserve [Roll Forward]
Accrual beginning balance	1,759	271
Charges	496	2,637
Cash Payments	(2,253)	(1,370)
Non-cash Amounts	(2)	8
Accrual ending balance	0	1,546
Total cumulative charges incurred to date	8,754
Estimated additional charges to be incurred	0
Other Exit Costs
Restructuring Reserve [Roll Forward]
Accrual beginning balance	219	174
Charges	360	1,717
Cash Payments	(578)	(1,802)
Non-cash Amounts	(1)	(2)
Accrual ending balance	0	$ 87
Total cumulative charges incurred to date	3,884
Estimated additional charges to be incurred	$ 0