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Income Taxes - Summary of Net Operating Loss Carryforwards (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Deferred tax assets, operating loss, and other carryforwards |
Foreign and state, net operating loss (NOL) carryforwards | $ 119,459
Total NOL and Other Carryforwards | 184,196
Canada province |
Deferred tax assets, operating loss, and other carryforwards |
Foreign and state, net operating loss (NOL) carryforwards | $ 47,310
Canada province | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2027
Canada province | Latest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2040
Foreign Tax Authority |
Deferred tax assets, operating loss, and other carryforwards |
Foreign and state, net operating loss (NOL) carryforwards | $ 7,323
U.S. states |
Deferred tax assets, operating loss, and other carryforwards |
Foreign and state, net operating loss (NOL) carryforwards | $ 9,615
U.S. states | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2021
U.S. states | Latest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2030
Canada |
Deferred tax assets, operating loss, and other carryforwards |
Foreign and state, net operating loss (NOL) carryforwards | $ 46,329
Canada | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2027
Canada | Latest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2040
United Kingdom |
Deferred tax assets, operating loss, and other carryforwards |
Foreign and state, net operating loss (NOL) carryforwards | $ 8,882
Other Carryforwards |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | 64,737
Other Carryforwards | Canada province |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | 29,415
Other Carryforwards | Canada (credit) |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | $ 5,475
Other Carryforwards | Canada (credit) | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Other Carryforwards, expiration date | 2023
Other Carryforwards | Canada (credit) | Latest period |
Deferred tax assets, operating loss, and other carryforwards |
Other Carryforwards, expiration date | 2040
Other Carryforwards | Canada |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | $ 29,415
Capital Loss Carryforward |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | $ 432

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