Quarterly report pursuant to Section 13 or 15(d)

Employee Benefit Plans (Details)

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Employee Benefit Plans (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Employee Benefit Plans      
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 0 $ 0 $ 37,000