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Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jan. 31, 2020
Dec. 31, 2019
STG [Member]    
Related Party Transaction [Line Items]    
Related party expenses $ 0.0 $ 6.0
Debt Forgiveness Agreement [Member] | Symphony Talent LLC [Member]    
Related Party Transaction [Line Items]    
Interest Income, Related Party   $ 0.4