Business Segments (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Summary of Operating Results and Certain Other Financial Data

The following is a summary of operating results and certain other financial data for our business segments (in thousands):

	Three Months									Three Months
	Ended March 31, 2018									Ended March 31, 2017
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Revenue	$	831,585	$	287,899	$	(23,513	)	$	1,095,971	$	676,480	$	241,834	$	(25,558	)	$	892,756
Transportation costs		741,211		255,482		(23,513	)		973,180		604,674		212,055		(25,558	)		791,171
Gross margin		90,374		32,417		-			122,791		71,806		29,779		-			101,585
Costs and expenses:
Salaries and benefits		52,070		3,937		-			56,007		39,596		3,583		-			43,179
Agent fees and commissions		13		19,129		-			19,142		17		17,976		-			17,993
General and administrative		18,402		2,102		-			20,504		18,479		2,345		-			20,824
Depreciation and amortization		3,760		245		-			4,005		2,109		303		-			2,412
Total costs and expenses		74,245		25,413		-			99,658		60,201		24,207		-			84,408
Operating income	$	16,129	$	7,004	$	-		$	23,133	$	11,605	$	5,572	$	-		$	17,177
Capital Expenditures	$	21,537	$	642	$	-		$	22,179	$	6,625	$	-	$	-		$	6,625

Schedule of Assets

	As of March 31, 2018									As of December 31, 2017
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Total assets	$	1,444,239	$	205,070	$	(6,039	)	$	1,643,270	$	1,470,792	$	210,088	$	(9,939	)	$	1,670,941
Goodwill		318,772		29,389		-			348,161		319,272		29,389		-			348,661

Summary of Revenue by Segment and Business Line

The following tables summarize our revenue by segment and business line (in thousands):

	Three Months									Three Months
	Ended March 31, 2018									Ended March 31, 2017
					Inter-			Hub						Inter-			Hub
					Segment			Group						Segment			Group
	Hub		Mode		Elims			Total		Hub		Mode		Elims			Total
Intermodal	$	482,495	$	129,773	$	(11,270	)	$	600,998	$	424,423	$	122,181	$	(15,237	)	$	531,367
Truck brokerage		120,019		100,721		(358	)		220,382		106,185		78,161		(385	)		183,961
Logistics		168,676		57,405		(11,870	)		214,211		145,872		41,492		(9,936	)		177,428
Dedicated		60,395		-		(15	)		60,380		-		-		-			-
Total revenue	$	831,585	$	287,899	$	(23,513	)	$	1,095,971	$	676,480	$	241,834	$	(25,558	)	$	892,756