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Restructuring Charges - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 30, 2020
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   $ 5,547,000 $ 0 $ 12,000,000.0
Expected additional costs   $ 5,556,000    
Subsequent Event        
Restructuring Cost and Reserve [Line Items]        
Percentage of workforce that was reduced or furloughed 23.00%      
Severance costs $ 26,900,000