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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Leases [Abstract]    
Operating cash flows from operating leases $ 114 $ 111
Operating cash flows from finance leases 1 1
Financing cash flows from finance leases 3 2
ROU assets obtained in exchange for lease liabilities: Operating leases $ 3,531 $ 3,507