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v3.22.2

Share-Based Compensation - Equity settled share based payment arrangements (Detail) | 3 Months Ended | 12 Months Ended |
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Mar. 31, 2022 shares anniversary $ / shares | Mar. 31, 2022 anniversary $ / shares $ / shares | Mar. 31, 2022 anniversary $ / shares | Mar. 31, 2022 anniversary $ / shares | Dec. 31, 2021 shares | Dec. 31, 2021 shares $ / shares | Dec. 31, 2021 shares $ / shares | Dec. 31, 2021 anniversary shares | Dec. 31, 2020 shares $ / shares | Dec. 31, 2020 shares $ / shares $ / shares | Dec. 31, 2020 shares $ / shares | Dec. 31, 2020 anniversary shares $ / shares | Dec. 31, 2021 $ / shares | Dec. 31, 2021 $ / shares | Dec. 31, 2021 anniversary
Disclosure of terms and conditions of share-based payment arrangement [abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding, beginning of period, Number of options | 4,456,444 |  |  | 4,456,444 | 4,057,142 |  |  | 4,057,142 | 3,565,521 |  |  |  |  |  |
Granted, Number of options |  |  |  |  | 654,847 |  |  | 654,847 | 839,478 |  |  |  |  |  |
Exercised, Number of options |  |  |  | (2,120) | 0 |  |  |  | 0 |  |  |  |  |  |
Forfeited, Number of options |  |  |  | (27,286) | (24,267) |  |  | (24,267) | (121,547) |  |  |  |  |  |
Expired, Number of options |  |  |  |  | (231,278) |  |  | (231,278) | (226,310) |  |  |  |  |  |
Options outstanding, end of period, Number of options |  |  |  | 4,427,038 | 4,456,444 |  |  | 4,456,444 | 4,057,142 |  |  | 4,057,142 |  |  |
Options exercisable, end of period, Number of options | 2,415,824 | 2,415,824 | 2,415,824 | 2,415,824 | 2,445,230 | 2,445,230 | 2,445,230 | 2,445,230 | 1,810,577 | 1,810,577 | 1,810,577 | 1,810,577 |  |  | 2,445,230
Options outstanding, beginning of period, Weighted average exercise price | (per share) |  | $ 11.66 | $ 11.66 |  |  | $ 12.78 | $ 12.78 |  |  |  | $ 14.67 |  |  |  |
Granted, Weighted average exercise price | (per share) |  |  |  |  |  | 7.85 | 7.85 |  |  |  | 5.51 |  |  |  |
Exercised, Weighted average exercise price |  |  | 5.51 |  |  |  |  |  |  |  |  |  |  |  |
Forfeited, Weighted average exercise price | (per share) |  |  | 13.51 |  |  | 9.25 | 9.25 |  |  |  | 15.2 |  |  |  |
Expired, Weighted average exercise price | (per share) |  |  |  |  |  | 20.75 | 20.75 |  |  |  | 14.33 |  |  |  |
Options outstanding, end of period, Weighted average exercise price | (per share) |  |  | 11.65 |  |  | $ 11.66 | $ 11.66 |  |  | $ 12.78 | 12.78 |  |  |  |
Options exercisable, end of period, Weighted average exercise price | (per share) | $ 13.63 | $ 13.63 | $ 13.63 | $ 13.63 |  |  |  |  | $ 14.73 | $ 14.73 | $ 14.73 | $ 14.73 | $ 13.62 | $ 13.62 |

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