Leases - Schedule of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Financial lease costs
Amortization of right-of-use-assets	$ 6,081	$ 14,805
Interest on lease liabilities	1,514	3,680
Total lease costs	37,858	110,947
Commission, transportation and other
Lessee, Lease, Description [Line Items]
Operating lease costs	19,057	57,170
Other operating expenses
Lessee, Lease, Description [Line Items]
Operating lease costs	6,930	20,791
Marketing, selling and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease costs	$ 4,276	$ 14,501