Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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 research tax credit.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount of unrecognized tax benefits.

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Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Tax Credit Carryforward [Line Items]
Unclaimed Tax Deductions Related To Scientific Research And Experimental Development Expenditures	$ 142,925	$ 129,226
Non-capital losses carried forward for tax purposes	$ 422,822	295,828
Tax Credit Carry forward, Expiration Date	Dec. 31, 2043
Unrecognized tax benefits of uncertain tax positions		$ 10,850
Canadian federal and provincial tax rates	27.00%	27.00%	27.00%
Canada and United States Revenue Agency [Member] \| Latest Tax Year [Member]
Tax Credit Carryforward [Line Items]
Tax year open for income tax examination	2022
Canada and United States Revenue Agency [Member] \| Earliest Tax Year [Member]
Tax Credit Carryforward [Line Items]
Tax year open for income tax examination	2003
Investment Tax credit [Member]
Tax Credit Carryforward [Line Items]
Tax credit available to offset taxes payable	$ 29,074	$ 27,323
Provincial Tax Credit [Member]
Tax Credit Carryforward [Line Items]
Tax credit available to offset taxes payable	$ 8,099	$ 8,418