Leases Components of Lease Expense (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 172,752
Finance lease cost
Amortization of leased assets	6,277
Interest on leased assets	3,971
Short-term Lease, Cost	5,247
Variable Lease, Cost	14,983
Sublease Income	(4,777)
Total lease cost	$ 198,453