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Debt- Short-term Debt and Current Portion of Long-term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Nov. 12, 2021
Dec. 31, 2020
May 13, 2020
May 02, 2020
Short-term Debt [Line Items]          
Short-term debt and current portion of long-term debt $ 183   $ 5,368    
1% Paycheck Protection Program Loan, due May 13, 2022 | Notes Payable to Banks          
Short-term Debt [Line Items]          
Short-term debt and current portion of long-term debt 0   $ 2,000 $ 2,000  
Interest rate (as a percent)     1.00% 1.00%  
Small Business Administration Loan [Member] | Notes Payable to Banks          
Short-term Debt [Line Items]          
Short-term debt and current portion of long-term debt 0   $ 2,993   $ 2,993
Interest rate (as a percent)     1.00%   1.00%
Paycheck Protection Program Loan due October 2026 | Notes Payable to Banks          
Short-term Debt [Line Items]          
Short-term debt and current portion of long-term debt $ 183 $ 183 $ 0    
Interest rate (as a percent) 1.00% 1.00%      
Term Loan | Notes Payable to Banks          
Short-term Debt [Line Items]          
Short-term debt and current portion of long-term debt $ 0   $ 375