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Restructuring - Activity (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		6 Months Ended
Restructuring - Activity (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Additions charged to expense		$ 636	$ 0	$ 14,324	$ 0
Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance at February 14, 2020	$ 0	7,072
Additions charged to expense	13,974
Cash payments	(6,902)
Balance at June 30, 2020	7,072
Severance and other benefits \| Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance at February 14, 2020	0	7,021
Additions charged to expense	12,400
Cash payments	(5,379)
Balance at June 30, 2020	7,021
Professional fees and other related charges \| Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance at February 14, 2020	0	$ 51
Additions charged to expense	1,574
Cash payments	(1,523)
Balance at June 30, 2020	$ 51