Other Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Other Intangible Assets
Gross Carrying Amount	$ 142,319		$ 142,319		$ 142,319
Accumulated Amortization	(61,697)		(61,697)		(57,104)
Total amortization expense	80,622		80,622		85,215
Amortization expense	2,268	$ 1,692	4,563	$ 3,382
Customer lists/relationships
Other Intangible Assets
Gross Carrying Amount	92,194		92,194		92,194
Accumulated Amortization	(41,370)		(41,370)		(38,682)
Total amortization expense	50,824		50,824		53,512
Technology and other intangibles
Other Intangible Assets
Gross Carrying Amount	47,925		47,925		47,925
Accumulated Amortization	(20,327)		(20,327)		(18,422)
Total amortization expense	27,598		27,598		29,503
In process research and development
Other Intangible Assets
Gross Carrying Amount					2,200
Total amortization expense	2,200		2,200		$ 2,200
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 2,200		$ 2,200