Leases Maturity of Lease Liabilities (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Leases [Abstract]
Finance Lease, Liability, Payments, Due Remainder of 2019	$ 3,299
Finance Lease, Liability, Payments, Due 2020	19,373
Finance Lease, Liability, Payments, Due 2021	10,495
Finance Lease, Liability, Payments, Due 2022	14,650
Finance Lease, Liability, Payments, Due 2023	10,551
Finance Lease, Liability, Payments, Due Thereafter	34,778
Finance Lease, Liability, Payments, Due	93,146
Finance Lease, Liability, Imputed Interest	14,435
Finance Lease, Liability	78,711
Lessee, Operating Lease, Liability, Payments, Due Remainder of 2019	23,076
Lessee, Operating Lease, Liability, Payments, Due 2020	72,851
Lessee, Operating Lease, Liability, Payments, Due 2021	63,445
Lessee, Operating Lease, Liability, Payments, Due 2022	52,080
Lessee, Operating Lease, Liability, Payments, Due 2023	43,398
Lessee, Operating Lease, Liability, Payments, Due Thereafter	553,484
Lessee, Operating Lease, Liability, Payments, Due	808,334
Lessee, Operating Lease, Liability, Imputed Interest	336,557
Total operating lease liabilities	$ 471,777