Acquired Intangible Assets and Goodwill - Schedule of Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 542,670	$ 538,899
Accumulated Amortization	(315,234)	(304,175)
Net Carrying Amount	227,436	234,724
Completed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	179,213	172,346
Accumulated Amortization	(115,581)	(111,435)
Net Carrying Amount	63,632	60,911
Customer-related intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	354,978	358,032
Accumulated Amortization	(193,476)	(186,733)
Net Carrying Amount	161,502	171,299
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	351	373
Accumulated Amortization	(103)	(77)
Net Carrying Amount	248	296
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,638	7,658
Accumulated Amortization	(5,584)	(5,440)
Net Carrying Amount	2,054	2,218
Acquired license rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	490	490
Accumulated Amortization	(490)	(490)
Net Carrying Amount	$ 0	$ 0