Restructuring - Activity (Details) - USD ($) $ in Thousands	3 Months Ended									11 Months Ended	12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Additions charged to expense	$ 3,700	$ 1,400	$ 800	$ 1,500	$ 1,200	$ 300	$ 600	$ 13,700			$ 7,368	$ 15,806	$ 0
Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance				2,347						$ 0	2,347
Additions charged to expense									$ 49,000	15,456	7,368
Cash payments										(13,109)	(5,796)
Ending balance	3,919				2,347					2,347	3,919	2,347
Severance and other benefits | Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance				1,481						0	1,481
Additions charged to expense										12,107	5,197
Cash payments										(10,626)	(3,236)
Ending balance	3,442				1,481					1,481	3,442	1,481
Professional fees and other related charges | Restructuring Plan
Restructuring Reserve [Roll Forward]
Beginning balance				$ 866						0	866
Additions charged to expense										3,349	2,171
Cash payments										(2,483)	(2,560)
Ending balance	$ 477				$ 866					$ 866	$ 477	$ 866