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Capital Management - Summary of Movements in Retained Earnings (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Retained Earnings [Line Items]      
Retained earnings, Beginning balance $ 31,749 $ 18,460 $ 12,858
Comprehensive income for the period 77,955 28,224 15,629
Transaction between shareholders   163  
Distribution of retained earnings   (15,000) (10,000)
Retained earnings, Ending balance 109,867 31,749 18,460
Retained Earnings      
Disclosure Of Retained Earnings [Line Items]      
Comprehensive income for the period $ 78,118 28,126 15,602
Transaction between shareholders   163  
Distribution of retained earnings   $ (15,000) $ (10,000)