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Note 7 - Financial Results (Details Textual) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of Financial Results [Line Items] |  |  |
Interest related to instruments carried at FVPL | $ 33.0 | $ 3.3 | $ 6.5
Realized loss from change in fair value of financial instrument | 10.5 |  |
Non-financial interest related to PIS and COFINS taxes recovery in Brazilian subsidiaries |  | $ 18.0 |
Argentine sovereign bonds |  |  |
Disclosure of Financial Results [Line Items] |  |  |
Loss arising from dividend paid in kind | $ 29.8 |  |

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