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Restructuring Charges (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Restructuring Cost and Reserve [Line Items]    
Severance and termination costs $ 1,500,000 $ 0.0
Lease impairment costs (400,000) 0.0
Other restructuring costs 200,000 0.0
Restructuring charges $ 1,300,000 $ 0.0