Basis of Presentation and Summary of Significant Accounting Policies - Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Summary of Goodwill and Other Identifiable Intangible Assets
Goodwill	$ 190,183	$ 189,662
Total goodwill and other identifiable intangible assets, net	752,555	784,992
Complete technology
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets	280,173	277,740
Less: accumulated amortization	(75,159)	(63,600)
Trade name
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets	2,642	2,642
Less: accumulated amortization	(1,411)	(1,312)
Customer relationships
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets	40,700	40,700
Less: accumulated amortization	(17,599)	(15,597)
Contractual relationships
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets	362,000	362,000
Less: accumulated amortization	(28,974)	(7,243)
Commercial license rights
Summary of Goodwill and Other Identifiable Intangible Assets
Definite lived intangible assets	28,298	28,298
Less: accumulated amortization	$ (11,600)	$ (11,300)