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Leases - Textuals (Details)
$ in Millions
9 Months Ended
Sep. 30, 2019
USD ($)
Lessee, Lease, Description [Line Items]  
Finance lease right-of-use asset accumulated depreciation $ 91.7
Minimum [Member]  
Lessee, Lease, Description [Line Items]  
Operating and finance lease contract term 1 years
Maximum [Member]  
Lessee, Lease, Description [Line Items]  
Operating and finance lease contract term 25 years