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Leases Current and Noncurrent Lease Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease, liability, current $ 1,027 $ 1,068
Operating lease, liability, noncurrent 2,483 2,601
Operating lease, liability $ 3,510 $ 3,669