Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Deferred tax asset, intra-entity transfer of assets		$ 148,900
Approximate amount of federal net operating loss carryforward that may not be utilized	$ 41,000
Total gross unrecognized tax benefit	11,497	13,954	$ 17,160	$ 17,513
Unrecognized tax benefits that would impact effective tax rate	(7,900)	(10,000)	$ (13,200)
Income tax interest and penalties	200	$ (100)
Approximate unrecognized tax benefits	$ 3,200
Income tax holiday benefit (in dollars per share)	$ 0.02
Amounts available to be repatriated to U.S., tax expense	$ 1,800
Minimum
Operating Loss Carryforwards [Line Items]
Tax credit expiration period	15 years
Maximum
Operating Loss Carryforwards [Line Items]
Tax credit expiration period	20 years
Research and development tax credit carryforwards
Operating Loss Carryforwards [Line Items]
Research and development tax credit carryforwards	$ 22,900
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	470,200
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	774,100
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 86,800