Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Tax Credit Carryforward [Line Items]
(Provision for) recovery of income taxes	$ 225,933,000	$ (79,145,000)
Effective income tax rate reconciliation, development and expansion incentive, percent	5.00%
Tax benefit as a result of concessionary tax rate	$ 4,663,000
Nondeductible expense research and development	76,166,000	0
Investment Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	51,690,000	14,629,000
Foreign
Tax Credit Carryforward [Line Items]
Non-capital tax losses	670,312,000	342,308,000
State
Tax Credit Carryforward [Line Items]
Non-capital tax losses	1,393,831,000	$ 446,442,000
Non-capital tax losses, no expiration	17,835,000
Non-capital tax losses, expire between 2026 and 2041	1,375,996,000
Domestic Tax Authority
Tax Credit Carryforward [Line Items]
Non-capital tax losses, no expiration	403,798,000
Non-capital tax losses, expire between 2026 and 2041	$ 266,514,000

Effective Income Tax Rate Reconciliation, Development And Expansion Incentive, Expense (Benefit), Amount

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Effective Income Tax Rate Reconciliation, Development And Expansion Incentive, Percent

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible research and development expense.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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