Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.19.2
Leases - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2019
Jun. 30, 2019
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   $ 147.7
Operating Lease Payments, Minimum Lease Payments Excluded, Not Yet Taken Possession of Leases   $ 16.1
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