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Public Offering of Ordinary Shares - (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Jun. 29, 2021
Sep. 30, 2021
Sep. 30, 2020
Subsidiary, Sale of Stock [Line Items]      
Number of shares issued 7,705,000    
Share price (in dollars per share) $ 15.00    
Proceeds from sale of ordinary shares $ 115,600 $ 108,180 $ 139,915
Over allotment option      
Subsidiary, Sale of Stock [Line Items]      
Number of shares issued 1,005,000    
Option to purchase additional shares, number of days 30 days    
Public Offering      
Subsidiary, Sale of Stock [Line Items]      
Number of shares issued 6,700,000