Leases - Other Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 79,140
Operating cash flows from operating leases	157,106
Financing cash flows from finance leases	62,785
Right-of-use assets obtained in exchange for lease obligations
Finance leases	196,725
Operating leases	$ 143,144
Weighted-average remaining lease term - finance leases	15 years
Weighted-average remaining lease term - operating leases	13 years
Weighted-average discount rate - finance leases	9.00%
Weighted-average discount rate - operating leases	4.00%
Held for sale [Member]
Long Lived Assets Held-for-sale [Line Items]
Financing lease right-of-use assets	$ 36,900
Operating lease right-of-use assets	$ 9,200