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Organization and Significant Accounting Policies (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
segment
Dec. 31, 2020
USD ($)
Unusual or Infrequent Item, or Both    
Number of operation segments (segments) | segment 2  
Assets held for sale $ 546 $ 0
Property and equipment, net 8,258 $ 9,087
Adjustment    
Unusual or Infrequent Item, or Both    
Assets held for sale 500  
Property and equipment, net $ (500)