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Leases - Disclosure of lease liabilities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]      
Balance at beginning of period $ 32,990 $ 35,348  
Additions 163 1,016  
Cash paid for rent - principal - financing cash flow (4,025) (3,375) $ (2,908)
Cash paid for rent - interest (1,982) (2,181)  
Interest expense 1,982 2,181 2,354
Balance at end of period $ 29,128 $ 32,990 $ 35,348