Leases - Supplemental Cash Flow (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 99,490
Operating cash flows from financing leases	52
Financing cash flows from finance leases	901
Right-of-use assets obtained in exchange for lease obligations, operating leases	10,565
Right-of-use assets obtained in exchange for lease obligations, finance leases	$ 1,080