Annual report pursuant to Section 13 and 15(d)

Lease Agreements - Additional information (Details)

v3.20.4
Lease Agreements - Additional information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease Agreements    
Cash paid for amounts included in the measurement of lease liabilities, Operating cash flows under operating leases $ 189 $ 2,629
Weighted-average remaining lease term, Operating leases 2 years 2 months 1 day 3 years 2 months 1 day
Weighted-average discount rate, Operating leases 5.51% 5.51%