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Restructuring Activities (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Restructuring and Related Activities [Abstract]        
Restructuring expenses $ 2,000,000 $ 0 $ 3,000,000 $ 0