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Income Taxes - Summary of Net Operating Loss Carryforwards (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Deferred tax assets, operating loss, and other carryforwards |
Net operating loss (NOL) carryforwards | $ 121,282
Total NOL and Other Carryforwards | 172,039
Canada province |
Deferred tax assets, operating loss, and other carryforwards |
Net operating loss (NOL) carryforwards | $ 50,499
Canada province | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2025
Canada province | Latest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2039
Foreign Tax Authority |
Deferred tax assets, operating loss, and other carryforwards |
Net operating loss (NOL) carryforwards | $ 7,039
U.S. states |
Deferred tax assets, operating loss, and other carryforwards |
Net operating loss (NOL) carryforwards | $ 8,961
U.S. states | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2020
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 |
Net operating loss (NOL) carryforwards | $ 50,191
Canada | Earliest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2025
Canada | Latest period |
Deferred tax assets, operating loss, and other carryforwards |
Operating loss carryforward expiration | 2039
United Kingdom |
Deferred tax assets, operating loss, and other carryforwards |
Net operating loss (NOL) carryforwards | $ 4,592
Other Carryforwards |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | 50,757
Other Carryforwards | Canada province |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | 31,463
Other Carryforwards | Canada (credit) |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | $ 1,962
Other Carryforwards, expiration date | 2036
Other Carryforwards | Canada |
Deferred tax assets, operating loss, and other carryforwards |
Other deductible carryforwards | $ 17,332

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