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Leases - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
Agreement
Dec. 31, 2018
USD ($)
Lessee Lease Description [Line Items]    
Number of sublease agreements | Agreement 3  
Total cash receipts from subleases | $   $ 23.7
Minimum    
Lessee Lease Description [Line Items]    
Remaining lease terms 1 year  
Maximum    
Lessee Lease Description [Line Items]    
Remaining lease terms 6 years