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Stock-Based Compensation - Schedule of Compensation Expense Related to Restricted Stock Unit (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Restricted stock units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation (reversal) expense $ 0.3 $ 0.2