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Leases (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Leases [Abstract]      
Right-of-use assets, net $ 6,248   $ 2,657
Operating lease liabilities $ 6,816    
Weighted-average remaining lease term 5 years 8 months 12 days    
Weighted-average discount rate 9.20%    
Operating lease payments $ 300 $ 500  
Operating lease costs $ 400 $ 400