Goodwill and Other Intangible Assets - Intangible Assets Other than Goodwill (Details ) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Intangible assets subject to amortization:
Gross Carrying Amount	$ 406,505	$ 191,659
Accumulated Amortization	(159,276)	(146,032)
Net Book Value	247,229	45,627
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross Carrying Amount	410,743	191,659
Accumulated Amortization	(159,276)	(146,032)
Net Book Value	251,467	45,627
In-process research and development
Intangible assets not subject to amortization:
In-process research and development	4,238	0
Software and technology
Intangible assets subject to amortization:
Gross Carrying Amount	105,507	67,691
Accumulated Amortization	(62,028)	(63,046)
Net Book Value	43,479	4,645
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (62,028)	(63,046)
Software and technology | Minimum
Intangible assets subject to amortization:
Estimated useful life (in years)	3 years
Software and technology | Maximum
Intangible assets subject to amortization:
Estimated useful life (in years)	5 years
Customer relationships
Intangible assets subject to amortization:
Gross Carrying Amount	$ 233,305	97,008
Accumulated Amortization	(77,584)	(66,030)
Net Book Value	155,721	30,978
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (77,584)	(66,030)
Customer relationships | Minimum
Intangible assets subject to amortization:
Estimated useful life (in years)	3 years
Customer relationships | Maximum
Intangible assets subject to amortization:
Estimated useful life (in years)	10 years
Trademarks
Intangible assets subject to amortization:
Gross Carrying Amount	$ 67,343	26,610
Accumulated Amortization	(19,543)	(16,888)
Net Book Value	47,800	9,722
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (19,543)	(16,888)
Trademarks | Minimum
Intangible assets subject to amortization:
Estimated useful life (in years)	3 years
Trademarks | Maximum
Intangible assets subject to amortization:
Estimated useful life (in years)	10 years
Non-compete agreements
Intangible assets subject to amortization:
Estimated useful life (in years)	5 years
Gross Carrying Amount	$ 350	350
Accumulated Amortization	(121)	(68)
Net Book Value	229	282
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (121)	$ (68)