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Income Taxes - Summary of net operating loss carryforwards (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 182,300
Total NOL and Other Carryforwards	299,300
Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward, other	117,000
Capital Loss Carryforward
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward, other	382
Canada
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	44,461
Canada | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward, other	$ 44,357
Canada | Earliest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2032
Canada | Latest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2043
United States
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 27,512
United States | Earliest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2025
United States | Latest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2043
United Kingdom
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 10,543
Switzerland
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 20,127
Switzerland | Earliest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2028
Switzerland | Latest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2029
Other foreign
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 5,779
Canada province
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	43,352
Canada province | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward, other	$ 58,488
Canada province | Earliest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2032
Canada province | Latest Tax Year
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2043
U.S. states
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 30,526
United States credit | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	1,277
Canada credits | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward, other	$ 8,819
Canada credits | Earliest Tax Year | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward expiration	2033
Canada credits | Latest Tax Year | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Tax credit carryforward expiration	2043
Canada province credits | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Foreign and state, net operating loss (NOL) carryforwards	$ 3,677
Canada province credits | Earliest Tax Year | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2036
Canada province credits | Latest Tax Year | Other Carryforwards
Deferred tax assets, operating loss, and other carryforwards
Operating loss carryforward expiration	2043

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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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