v3.21.2
Quantitative and qualitative disclosure about market risk - provision for loan losses and interest receivable (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Movement of the provision for loan losses and interest receivable    
Balance as of January 1 $ 194  
Provisions for doubtful accounts 1,980 $ 194
Balance as of December 31 $ 2,174 $ 194