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Restructuring - Activity (Details) - USD ($) $ in Thousands	3 Months Ended		8 Months Ended	9 Months Ended
Restructuring - Activity (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Restructuring Reserve [Roll Forward]
Additions/Reductions charged to expense	$ 239	$ 0		$ 14,563	$ 0
Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at February 14, 2020			$ 0
Additions/Reductions charged to expense			14,213
Cash payments			(10,783)
Balance at September 30, 2020	3,430		3,430	3,430
Severance and other benefits \| Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at February 14, 2020			0
Additions/Reductions charged to expense			11,633
Cash payments			(8,265)
Balance at September 30, 2020	3,368		3,368	3,368
Professional fees and other related charges \| Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at February 14, 2020			0
Additions/Reductions charged to expense			2,580
Cash payments			(2,518)
Balance at September 30, 2020	$ 62		$ 62	$ 62