Leases Leases Other Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases term and discount rate
Operating Lease, Weighted Average Remaining Lease Term	9 years 1 month 6 days
Finance Lease, Weighted Average Remaining Lease Term	10 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	4.20%
Leases other information
Sale and Leaseback Transaction, Gain (Loss), Net	$ 13,903
Cash paid for amounts included in the measurement of lease liabilities
Operating Lease, Payments	467,338
Finance Lease, Interest Payment on Liability	16,226
Finance Lease, Principal Payments	21,905
Net Operating Lease Assets Obtained In Exchange For Lease Liabilities	$ 299,697
Finance Lease
Leases term and discount rate
Finance Lease, Weighted Average Discount Rate, Percent	5.36%