Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Line Items]
Increase (decrease) in valuation allowance	$ 9,900	$ 1,100
Valuation allowance	141,087	131,232
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	721	$ 144	$ 20
Unrecognized tax benefits, that if recognized would affect effective tax rate	200
Singapore
Income Taxes [Line Items]
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	700
Domestic Tax Authority
Income Taxes [Line Items]
Operating loss carryforward	508,200
Operating loss carryforwards, subject to expiration	1,700
Domestic Tax Authority | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	10,000
Tax credit carryforward, subject to expiration, amount	400
State and Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforward	196,600
Operating loss carryforwards, subject to expiration	400
State and Local Jurisdiction | Research Tax Credit Carryforward
Income Taxes [Line Items]
Tax credit carryforward	13,300
Foreign Tax Authority
Income Taxes [Line Items]
Operating loss carryforward	$ 3,400