Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Details)

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Variable Interest Entities (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Variable Interest Entity [Line Items]        
Net loss $ (5,018,000) $ (842,000) $ (4,237,000) $ (11,000)
Variable Interest Entity [Member]        
Variable Interest Entity [Line Items]        
Variable Interest Entity, Maximum Loss Exposure, Amount 5,431,000   5,431,000  
Operating lease liability, current $ 3,214,000   $ 3,214,000  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other liabilities   Other liabilities  
Revenue from Contract with Customer, Excluding Assessed Tax   1,005,000   2,701,000
Net loss   $ (37,000)   $ (59,000)