Leases Leases Maturities of Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 4,272
Lessee, Operating Lease, Liability, Payments, Due Year Two	4,364
Lessee, Operating Lease, Liability, Payments, Due Year Three	4,367
Lessee, Operating Lease, Liability, Payments, Due Year Four	4,375
Lessee, Operating Lease, Liability, Payments, Due Year Five	4,383
Lessee, Operating Lease, Liability, Payments, Due after Year Five	95,923
Lessee, Operating Lease, Liability, Payments, Due	117,684
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(45,929)
Operating Lease, Liability	71,755
Finance Lease, Liability, Payments, Remainder of Fiscal Year	4,091
Finance Lease, Liability, Payments, Due Year Two	5,462
Finance Lease, Liability, Payments, Due Year Three	5,457
Finance Lease, Liability, Payments, Due Year Four	5,460
Finance Lease, Liability, Payments, Due Year Five	5,456
Finance Lease, Liability, Payments, Due after Year Five	54,574
Finance Lease, Liability, Payments, Due	80,500
Finance Lease, Liability, Undiscounted Excess Amount	(23,955)
Finance Lease, Liability	$ 56,545