Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.20.2
Basis of Presentation (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Noncontrolling Interest [Line Items]          
Increase (decrease) in noncontrolling interest $ 400,000 $ 34,000 $ 800,000 $ (100,000)  
Noncontrolling interest 1,064,000   1,064,000   $ 227,000
Restructuring charges 0 $ 400,000 100,000 $ 2,400,000  
Accrued Severance and Rent Costs          
Noncontrolling Interest [Line Items]          
Restructuring Reserve $ 0   $ 0   $ 400,000