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Shareholders' Equity and Share Based Compensation - Summary of Non-vested Stock Option (Detail) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 $ / shares | Dec. 31, 2021 CAD ($) $ / shares shares | Dec. 31, 2020 $ / shares shares | Dec. 31, 2019 $ / shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |  |  |  |
Beginning balance |  | 1,449,154 |  |
Granted |  | 792,236 |  |
Vested |  | (628,161) |  |
Forfeited |  | (33,334) |  |
Ending balance |  | 1,579,895 | 1,449,154 |
Beginning balance | $ / shares |  | $ 6.52 |  |
Granted | (per share) | $ 7.52 | 7.52 | $ 5.83 | $ 9.58
Vested | $ / shares |  | 6.65 |  |
Forfeited | $ / shares |  | 8.58 |  |
Ending balance | $ / shares |  | $ 6.93 |  |
Ending balance | $ |  | $ 671 |  |

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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