Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Other Intangible Assets
Gross Carrying Amount	$ 142,319		$ 142,319
Accumulated Amortization	(59,400)		(57,104)
Total amortization expense	82,919		85,215
Amortization expense	2,295	$ 1,690
Customer lists/relationships
Other Intangible Assets
Gross Carrying Amount	92,194		92,194
Accumulated Amortization	(40,012)		(38,682)
Total amortization expense	52,182		53,512
Technology and other intangibles
Other Intangible Assets
Gross Carrying Amount	47,925		47,925
Accumulated Amortization	(19,388)		(18,422)
Total amortization expense	28,537		29,503
In process research and development
Other Intangible Assets
Gross Carrying Amount			2,200
Total amortization expense	2,200		$ 2,200
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 2,200