Restructuring - Activity (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Additions charged to expense		$ 13,688	$ 0
Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance at February 14, 2020	$ 0
Additions charged to expense	13,688
Cash payments	(927)
Balance at March 31, 2020	12,761	12,761
Severance and other benefits | Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance at February 14, 2020	0
Additions charged to expense	12,956
Cash payments	(853)
Balance at March 31, 2020	12,103	12,103
Professional fees and other related charges | Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Balance at February 14, 2020	0
Additions charged to expense	732
Cash payments	(74)
Balance at March 31, 2020	$ 658	$ 658