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Note 18 - Income Tax - Provision for (Recovery of) Income Tax (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Current | $ 59,713 | $ 47,123
Deferred | (6,700) | 6,137
Total | 53,013 | 53,260
Domestic Tax Authority [Member] | Canada Revenue Agency [Member] |  |
Current, Canada | 2,939 | 5,134
Deferred, Canda | 238 | 1,689
Foreign Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |
Current, United States and Other Foreign | 15,029 | 1,768
Deferred, United States and Other Foreign | (520) | 10,732
Foreign Tax Authority [Member] | Other Foreign Tax Authorities [Member] |  |
Current, United States and Other Foreign | 41,745 | 40,221
Deferred, United States and Other Foreign | $ (6,418) | $ (6,284)

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