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Property and Equipment - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]    
Related depreciation and amortization expense $ 708 $ 614
Impairment charges on property and equipment 144 $ 63
Assets valued 78  
Depreciation (38)  
Disposal of fixed assets 3,438  
Accumulated depreciation of fixed assets disposed 3,287  
Proceeds from sale of fixed assets 7  
Loss on disposal of fixed assets $ 144