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Leases - Schedule of Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Lease Cost        
Fixed lease cost $ 249 $ 0 $ 497 $ 0
Variable lease cost 88 0 163 0
Total operating lease cost $ 337 $ 0 $ 660 $ 0