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Impact of the COVID-19 Pandemic - Summary of Special Charges (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Unusual or Infrequent Items, or Both [Abstract]        
Operating $ 142 $ 1,738    
Non-operating 0 0    
Total special charges $ 142 $ 1,738 $ 100 $ 1,700