Leases Leases Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Leases [Abstract]
Finance Lease, Right-of-Use Asset, Amortization	$ 3,151	$ 9,419
Lease, Cost	15,815	47,471
Leases Cash Flow [Abstract]
Operating Lease, Payments	3,140	9,357
Finance Lease, Interest Payment on Liability	2,122	5,843
Finance Lease, Principal Payments	10,438	32,258
Total Lease Payments	15,700	47,458
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	9,115	43,589
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 3,083	$ 9,448