Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2018

Summary of Risk Retention Amounts Per Occurrence

Risk retention amounts per occurrence are as follows:

Workers’ compensation	$	1,000,000
Bodily injury and property damage (auto liability)		2,000,000
Employee medical and hospitalization		400,000
Cargo loss and damage		250,000

Accounting Standards Update (ASU) No. 2014-09, Revenue from Contracts with Customers

Effect of Adoption of Standard on Previously Reported Financial Data

The below tables reflect the effect of the adoption of this standard on the previously reported financial data.

Condensed Consolidated Balance Sheet impact:

	As of December 31, 2017
		As adjusted		As originally reported		Effect of change
	(in thousands)
Accounts receivable		$	170,278	$	170,610	$	(332	)
Total current assets			203,249		203,581		(332	)
Total assets			967,315		967,647		(332	)
Accounts payable			57,438		57,717		(279	)
Total current liabilities			166,926		167,205		(279	)
Retained earnings			339,500		339,553		(53	)
Total stockholders’ equity			582,494		582,547		(53	)
Total liabilities and stockholders’ equity			967,315		967,647		(332	)

Condensed Consolidated Statement of Operations impact:

	For the quarter ended September 30, 2017								For the nine months ended September 30, 2017
		As adjusted		As originally reported		Effect of change				As adjusted		As originally reported		Effect of change
	(in thousands, except per share data)
Operating revenue		$	357,010	$	350,062	$	6,948			$	1,044,505	$	1,025,259	$	19,246
Purchased transportation			30,056		23,074		6,982				79,516		60,212		19,304
Total operating expenses			332,442		325,460		6,982				972,724		953,420		19,304
Operating income			24,568		24,602		(34	)			71,781		71,839		(58	)
Net income			14,373		14,407		(34	)			43,339		43,397		(58	)
Basic Earnings Per Share			0.56		0.56		—				1.70		1.70		—
Diluted Earnings Per Share			0.55		0.55		—				1.67		1.67		—

Condensed Consolidated Statement of Cash Flows impact:

	For the nine months ended September 30, 2017
		As adjusted			As originally reported			Effect of change
	(in thousands)
Net income		$	43,339		$	43,397		$	(58	)
Changes in operating assets and liabilities, net			979			921			58
Net cash provided by operating activities			127,737			127,737			—
Net decrease in cash and cash equivalents			(1,458	)		(1,458	)		—