Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Schedule of Components of Lease Assets and Liabilities [Table Text Block]

Leases	Classification	June 30, 2020
Assets
Operating	Operating lease right-of-use assets	$	277,362
Finance	Property and equipment, net		9,123
Total leased assets		$	286,485
Liabilities
Current
Operating	Current portion of operating lease liabilities	$	70,438
Finance	Current maturities of long-term debt and finance leases		4,332
Noncurrent
Operating	Noncurrent operating lease liabilities		206,616
Finance	Long-term debt and finance leases, net of current maturities		3,498
Total lease liabilities		$	284,884

Lease, Cost [Table Text Block]

		Three Months Ended				Six Months Ended
		June 30,				June 30,
Lease Cost	Classification	2020		2019		2020		2019
Operating lease cost	Vehicle rents and General and other operating	$	21,628	$	19,072	$	43,543	$	39,239
Finance lease cost:
Amortization of finance lease assets	Depreciation and amortization		442		797		880		1,605
Interest on lease liabilities	Interest expense		141		278		314		596
Short-term lease cost	Vehicle rents and General and other operating		1,780		792		3,798		1,103
Total lease cost		$	23,991	$	20,939	$	48,535	$	42,543

Schedule of Leases Cash Flow Information [Table Text Block]

	Six Months Ended
	June 30,
Cash Flow Information	2020		2019
Cash paid for operating leases included in operating activities	$	43,543	$	39,239
Cash paid for finance leases included in operating activities	$	314	$	596
Cash paid for finance leases included in financing activities	$	3,236	$	4,544
Operating lease right-of-use assets obtained in exchange for lease obligations	$	45,474	$	54,053
Operating lease right-of-use assets and liabilities relieved in conjunction with divesture of Xpress Internacional	$	—	$	2,018

Lease, Term and Discount Rate [Table Text Block]

	June 30, 2020
	Weighted‑Average	Weighted-
	Remaining Lease	Average
Lease Term and Discount Rate	Term (years)	Discount Rate
Operating leases	4.9	4.2	%
Finance leases	3.0	5.4	%

	June 30, 2019
	Weighted‑Average	Weighted-
	Remaining Lease	Average
Lease Term and Discount Rate	Term (years)	Discount Rate
Operating leases	4.2	5.0	%
Finance leases	3.3	5.3	%

Operating and Finance Lease, Liability, Maturity [Table Text Block]

	June 30, 2020
	Finance		Operating
2020	$	1,491	$	40,452
2021		4,081		77,274
2022		1,423		68,937
2023		1,423		53,362
2024		296		25,572
Thereafter		—		43,808
		8,714		309,405
Less: Amount representing interest		(884)		(32,351)
Total	$	7,830	$	277,054