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Extraordinary and Unusual Items (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Restructuring Costs $ 433,000   $ 1,239,000   $ 7,181,000
Line of Credit Facility, Maximum Borrowing Capacity 150,000,000   $ 150,000,000    
Payments to Employees       $ 100,000  
Salary Reduction Percentage for Executives       30.00%  
Accrued Liabilities          
Restructuring Costs $ 687,000 $ 490,000