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Leases - Additional information (Details)
9 Months Ended
Sep. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Lease renewal term 10 years
Minimum  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Remaining lease term 1 year
Maximum  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Remaining lease term 77 years