Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.19.1
Leases - Narrative (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2019
USD ($)
Lessee, Lease, Description [Line Items]  
Change In Operating Lease Assets and Liabilities Due to Lease Remeasurement $ 1.3
Operating Lease Payments Related to Options to Extend Lease Term 142.0
Operating Lease Payments, Minimum Lease Payments Excluded, Not Yet Taken Possession of Leases $ 13.8
Lessor, Operating Lease, Term of Contract 20 years
Minimum [Member]  
Lessee, Lease, Description [Line Items]  
Initial lease term 10 years
Lease terms renewal 10 years
Maximum [Member]  
Lessee, Lease, Description [Line Items]  
Initial lease term 15 years
Lease terms renewal 15 years