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Leases - Additional information related to operating leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Leases    
Operating lease right-of-use assets $ 7,881 $ 8,983
Operating lease liabilities, current 5,367 3,536
Operating lease liabilities, noncurrent $ 5,159 $ 8,824
Weighted-average remaining lease term (in years) 2 years 3 years 4 months 24 days
Weighted-average discount rate 4.90% 5.00%