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Share Capital - Shares (Share Capital Activity) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Schedule Of Capitalization Equity [Line Items] |  |
Share options exercised, shares | 14,268 |
Share options exercised | $ 146 | $ 1,971
Share Capital |  |
Schedule Of Capitalization Equity [Line Items] |  |
Beginning balance, shares | 26,735,175 | 26,035,000
Issuance of vested shares, Number of shares | 93,854 | 121,000
Share options exercised, shares | 14,268 | 184,000
Shares withheld for net settlement of shares issued, Number of shares | (18,200) | (41,000)
Ending balance, shares | 26,825,097 | 26,299,000
Beginning balance | $ 3 |
Ending balance | $ 3 |

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