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Extraordinary and Unusual Items (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Salary Reduction Percentage for Executives 30.00%  
Salary Reduction for Non-Executive Employees $ 100,000  
Restructuring Costs 806,000 $ 7,181,000
Line of Credit Facility, Maximum Borrowing Capacity 150,000,000  
Accrued Liabilities    
Restructuring Costs $ 607 $ 490,000