Note 16 - Capital Management - Summary of Gains and Losses on Investment Portfolio (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 12 Months Ended | 22 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2018 |
Jul. 31, 2025 |
Jan. 31, 2024 |
Jun. 30, 2023 |
Jan. 31, 2023 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Nov. 30, 2023 |
|
| Disclosure of objectives, policies and processes for managing capital [line items] | |||||||||
| Share repurchases, amount | $ 0 | $ 0 | $ 32,695 | ||||||
| Dividends, per share | $ 0.4 | $ 0.4 | $ 0.4 | $ 0.8 | $ 0.8 | $ 0.8 | $ 1.2 | ||
| Dividends, amount | $ 71,167 | $ 70,398 | $ 107,222 | ||||||
| ADS [member] | |||||||||
| Disclosure of objectives, policies and processes for managing capital [line items] | |||||||||
| Share repurchases, number of shares | 36,971,296 | 0 | 0 | 2,765,346 | 6,119,841 | ||||
| Shares repurchased, average price paid per share | $ 0 | $ 0 | $ 11.82 | ||||||
| Share repurchases, amount | $ 239,000 | $ 0 | $ 0 | $ 32,695 | $ 50,000 | ||||
| Dividends, per share | $ 0.8 | $ 0.8 | $ 1.2 | ||||||
| Dividends, amount | $ 71,167 | $ 70,398 | $ 107,222 | ||||||
| Total capital returns | $ 71,167 | $ 70,398 | $ 139,917 | ||||||