Annual report pursuant to Section 13 and 15(d)

Operating Leases - Additional Information (Details)

v3.20.4
Operating Leases - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Director      
Property Subject To Or Available For Operating Lease [Line Items]      
Leases expenses $ 157 $ 157 $ 155
Occupancy Expense      
Property Subject To Or Available For Operating Lease [Line Items]      
Leases expenses $ 2,700 $ 2,700