Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.21.2
Basis of Presentation (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Noncontrolling Interest [Line Items]          
Increase (decrease) in noncontrolling interest $ 300,000 $ 400,000 $ 400,000 $ 400,000  
Noncontrolling interest 2,238,000   2,238,000   $ 1,848,000
Restructuring charges 0 $ 0 48,000 $ 100,000  
Accrued Severance and Rent Costs          
Noncontrolling Interest [Line Items]          
Restructuring Reserve $ 13,000   $ 13,000   $ 400,000