Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring Reserve [Roll Forward]
Operations restructuring costs	$ 13,426	$ 0	$ 4,700	$ 13,426	$ 4,655
Corporate restructuring and restatement costs	4,300	4,700		10,900	$ 15,500
Property, Plant and Equipment
Restructuring Reserve [Roll Forward]
Initial write-down of assets to fair value		1,300
Accrued Expenses and Other Current Liabilities
Restructuring Reserve [Roll Forward]
Initial write-down of assets to fair value	3,300	$ 3,400
Restructuring reserves
Restructuring Reserve [Roll Forward]
Beginning balance at December 31, 2018				544
Charges				3,280
Adjustments				(79)
Payments				(316)
Ending balance at September 30, 2019	3,429			$ 3,429
TL
Restructuring Reserve [Roll Forward]
Operations restructuring costs	10,100
TL | Assets Leased to Others [Member]
Restructuring Reserve [Roll Forward]
Operations restructuring costs	7,800
TL | Vehicles [Member]
Restructuring Reserve [Roll Forward]
Operations restructuring costs	$ 2,300