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Leases - Schedule of Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]        
Operating cash flows from operating leases $ 124 $ 132 $ 260 $ 267
Operating cash flows from restructured leases 18 18 35 35
Financing cash flows from finance leases $ 1 $ 1 $ 2 $ 2