10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

[X]   QUARTERLY REPORT UNDER SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934

For quarter ended June 30, 2012

or

[   ]    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT

          OF 1934

For the transition period from                                to

Commission File No. 0-15087

HEARTLAND EXPRESS, INC.

(Exact Name of Registrant as Specified in Its Charter)

Nevada	93-0926999
(State or Other Jurisdiction of	(I.R.S. Employer
incorporation or Organization)	Identification Number)

901 North Kansas Avenue

North Liberty, Iowa

52317

(Address of Principal Executive Office)

(Zip Code)

Registrant's telephone number, including area code (319) 626-3600

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.

Yes [X] No [  ]

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes [X] No [  ]

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer, or a smaller reporting company. See definition of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer [X]	Accelerated filer [  ]
Non-accelerated filer [  ]	Smaller reporting company [  ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes [  ] No [X]

At August 7, 2012, there were 85,490,188 shares of the Company's $.01 par value common stock outstanding.

1

HEARTLAND EXPRESS, INC.

AND SUBSIDIARIES

TABLE OF CONTENTS

	Page
PART I - FINANCIAL INFORMATION
Item 1. Financial Statements	1
Consolidated Balance Sheets as of June 30, 2012 (unaudited) and December 31, 2011	1
Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2012 and 2011 (unaudited)	1
Consolidated Statement of Stockholders' Equity for the Six Months Ended June 30, 2012 (unaudited)	2
Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2012 and 2011 (unaudited)	2
Notes to Consolidated Financial Statements (unaudited)	3
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	9
Item 3. Quantitative and Qualitative Disclosures about Market Risk	15
Item 4. Controls and Procedures	15
PART II - OTHER INFORMATION
Item 1. Legal Proceedings	16
Item 2. Changes in Securities	16
Item 3. Defaults upon Senior Securities	16
Item 4. Mine Safety Disclosures	16
Item 5. Other Information	16
Item 6. Exhibits	17
Signature	19

2

PART I

HEARTLAND EXPRESS, INC. AND SUBSIDIARIES CONSOLIDATED BALANCE SHEETS (in thousands, except per share amounts) (Unaudited)
ASSETS	June 30 2012			December 31 2011
CURRENT ASSETS
Cash and cash equivalents	$	210,739		$	139,770
Trade receivables, net	49,825			44,198
Prepaid tires	9,538			12,820
Other current assets	5,673			1,932
Income tax receivable	1,726			314
Deferred income taxes, net	13,532			14,401
Total current assets	$	291,033		$	213,435
PROPERTY AND EQUIPMENT
Land and land improvements	17,451			17,451
Buildings	26,761			26,761
Furniture and fixtures	2,269			2,269
Shop and service equipment	7,267			7,324
Revenue equipment	349,107			355,905
	402,855			409,710
Less accumulated depreciation	176,325			161,269
Property and equipment, net	$	226,530		$	248,441
LONG-TERM INVESTMENTS	21,041			50,569
GOODWILL	4,815			4,815
OTHER ASSETS	8,303			8,406
	$	551,722		$	525,666
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES
Accounts payable and accrued liabilities	$	12,561		$	9,088
Compensation and benefits	16,781			15,493
Insurance accruals	13,686			13,997
Other accruals	8,076			7,085
Total current liabilities	$	51,104		$	45,663
LONG-TERM LIABILITIES
Income taxes payable	$	21,267		$	24,077
Deferred income taxes, net	52,291			57,661
Insurance accruals less current portion	56,502			57,494
Total long-term liabilities	$	130,060		$	139,232
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01; authorized 5,000 shares; none issued	$	—		$	—
Capital stock, common, $.01 par value; authorized 395,000 shares; issued, 90,689 in 2012 and 2011, outstanding, 86,181 in 2012 and 86,475 in 2011	907			907
Additional paid-in capital	2,220			589
Retained earnings	430,049			398,706
Treasury stock, at cost; 4,508 shares in 2012 and 4,214 shares in 2011	(61,334		)	(56,350		)
Accumulated other comprehensive loss	(1,284		)	(3,081		)
	$	370,558		$	340,771
	$	551,722		$	525,666

The accompanying notes are an integral part of these consolidated financial statements.

HEARTLAND EXPRESS, INC
AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(in thousands, except per share amounts)
(Unaudited)
	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
OPERATING REVENUE	$	139,710		$	137,192		$	274,543		$	264,884
OPERATING EXPENSES
Salaries, wages and benefits	$	42,962		$	41,728		$	84,958		$	83,929
Rent and purchased transportation	1,596			1,998			3,257			3,936
Fuel	41,111			42,308			83,816			81,455
Operations and maintenance	6,251			6,150			11,903			11,246
Operating taxes and licenses	2,248			2,244			4,323			4,552
Insurance and claims	3,952			3,958			6,466			6,452
Communications and utilities	746			728			1,493			1,371
Depreciation	13,995			13,664			27,934			26,042
Other operating expenses	3,647			3,389			7,626			6,872
Gain on disposal of property and equipment	(3,546		)	(11,662		)	(7,760		)	(15,530		)
	112,962			104,505			224,016			210,325
Operating income	26,748			32,687			50,527			54,559
Interest income	167			208			309			446
Income before income taxes	26,915			32,895			50,836			55,005
Federal and state income taxes	8,688			10,363			16,020			17,593
Net income	$	18,227		$	22,532		$	34,816		$	37,412
Other comprehensive income	1,797			—			1,797			—
Comprehensive income	$	20,024		$	22,532		$	36,613		$	37,412
Net income per share
Basic	$	0.21		$	0.25		$	0.40		$	0.41
Diluted	$	0.21		$	0.25		$	0.40		$	0.41
Weighted average shares outstanding
Basic	86,451			90,689			86,463			90,689
Diluted	86,779			90,689			86,802			90,689
Dividends declared per share	$	0.02		$	0.02		$	0.04		$	0.04

The accompanying notes are an integral part of these consolidated financial statements.

1

HEARTLAND EXPRESS, INC
ANDSUBSIDIARIES
CONSOLIDATED STATEMENT OF STOCKHOLDERS’ EQUITY
(in thousands, except per share amounts)
(Unaudited)
											Accumulated
	Capital		Additional								Other
	Stock,		Paid-In		Retained			Treasury			Comprehensive
	Common		Capital		Earnings			Stock			Loss			Total
Balance, December 31, 2011	$	907	$	589	$	398,706		$	(56,350	)	$	(3,081	)	$	340,771
Comprehensive income:
Net income	—		—		34,816			—			—			34,816
Other comprehensive income	—		—		—			—			1,797			1,797
Dividends on common stock, $0.04 per share	—		—		(3,473		)	—			—			(3,473		)
Stock-based compensation	—		1,631		—			—			—			1,631
Repurchases of common stock	—		—		—			(4,984		)	—			(4,984		)
Balance, June 30, 2012	$	907	$	2,220	$	430,049		$	(61,334	)	$	(1,284	)	$	370,558

The accompanying notes are an integral part of these consolidated financial statements.

HEARTLAND EXPRESS, INC.
AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(Unaudited)
	Six Months Ended
	June 30,
	2012			2011
OPERATING ACTIVITIES
Net income	$	34,816		$	37,412
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	28,266			26,360
Deferred income taxes	(4,501		)	9,533
Amortization of stock-based compensation	1,631			—
Gain on disposal of property and equipment	(7,760		)	(15,530		)
Changes in certain working capital items:
Trade receivables	(5,627		)	(5,268		)
Prepaid expenses and other current assets	(1,294		)	(9,508		)
Accounts payable, accrued liabilities, and accrued expenses	2,361			1,850
Accrued income taxes	(4,222		)	(3,070		)
Net cash provided by operating activities	43,670			41,779
INVESTING ACTIVITIES
Proceeds from sale of property and equipment	14,656			30,893
Purchases of property and equipment	(14,032		)	(60,742		)
Maturity and calls of investments	31,325			21,650
Change in other assets	103			(1,469		)
Net cash provided by (used in) investing activities	32,052			(9,668		)
FINANCING ACTIVITIES
Cash dividends	(1,738		)	(1,814		)
Repurchases of common stock	(3,015		)	—
Net cash used in financing activities	(4,753		)	(1,814		)
Net increase in cash and cash equivalents	70,969			30,297
CASH AND CASH EQUIVALENTS
Beginning of period	139,770			121,120
End of period	$	210,739		$	151,417
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for income taxes, net of refunds	$	24,743		$	11,131
Noncash investing and financing activities:
Purchased property and equipment in accounts payable	$	902		$	4,738
Common stock dividends declared in accounts payable	$	1,735		$	1,814
Treasury stock acquired in accounts payable	$	1,969		$	—

The accompanying notes are an integral part of these consolidated financial statements.

2

HEARTLAND EXPRESS, INC.

AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

Note 1.  Basis of Presentation

The accompanying consolidated financial statements include the parent company, Heartland Express, Inc., and its subsidiaries, all of which are wholly owned. All material intercompany items and transactions have been eliminated in consolidation. The accompanying unaudited consolidated financial statements of Heartland Express, Inc. and subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all normal, recurring adjustments considered necessary for a fair presentation have been included. The consolidated financial statements should be read in conjunction with the audited consolidated financial statements and accompanying notes for the year ended December 31, 2011 included in the Annual Report on Form 10-K of the Company filed with the Securities and Exchange Commission on February 28, 2012. Interim results of operations are not necessarily indicative of the results to be expected for the full year or any other interim periods. There were no changes to the Company's significant accounting policies during the six month period ended June 30, 2012 other than detailed in the Recently Adopted Accounting Pronouncements below.

Recently Adopted Accounting Pronouncements

In June 2011, the Financial Accounting Standards Board ("FASB") issued new accounting guidance which revises the manner in which companies present comprehensive income in their financial statements. The new guidance removes the presentation options previously allowed and requires companies to report components of comprehensive income as part of the consolidated statement of income or as a separate consolidated statement of comprehensive income. The revised guidance did not change the items that must be reported in other comprehensive income. The guidance was effective for the Company on January 1, 2012. Comprehensive income consists of net income and other comprehensive income (loss). Other comprehensive income (loss) refers to revenues, expenses, gains and losses that are not included in net income, but rather are recorded directly in stockholders' equity. The Company adopted this guidance on January 1, 2012. During the three months and six months ended June 30, 2012 and 2011 there was $1.8 million of income recorded directly in stockholders' equity related to an unrealized gain on available for sale securities due to the reversal of a previously recorded reserve to adjust certain investments to estimated fair value. During the three and six months ended June 30, 2011 there were no amounts recorded directly in stockholders' equity and therefore there was no difference between net income and comprehensive income for these two respective periods.

In September 2011 the FASB issued amendments to the guidance on testing goodwill for impairment. The new guidance provides an entity the option to first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If an entity determines that this is the case, it is required to perform the currently prescribed two-step goodwill impairment test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized for the reporting unit (if any). If an entity determines that the fair value of a reporting unit is greater than its carrying amount, the two-step goodwill impairment test is not required. Annual impairment tests are performed by the Company in the third quarter of each year. The adoption of this updated authoritative guidance is not expected to have an impact on the consolidated financial statements.

Note 2.  Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates. There were no significant changes in estimates and assumptions used by management related to our critical accounting policies during the six months ended June 30, 2012.

Note 3. Segment Information

The Company has eleven regional operating divisions, in addition to operations at the Company's corporate headquarters; however, it has determined that it has one reportable segment. The operating divisions are operated out of our ten office locations including our corporate headquarters. All of the divisions are managed based on similar economic characteristics. Each of the regional operating divisions provides short-to-medium haul truckload carrier services of general commodities to a similar class of customers. In addition, each division exhibits similar financial performance, including average revenue per mile and operating ratio. As a result of the foregoing, the Company has determined that it is appropriate to aggregate its operating divisions into one reportable segment, consistent with the authoritative accounting guidance on disclosures about segments of an enterprise and related information. Accordingly, the Company has not presented separate segment financial information.

Note 4. Cash and Cash Equivalents

Cash equivalents are short-term, highly liquid investments with insignificant interest rate risk and original maturities of three months or less at acquisition. Restricted and designated cash and investments totaling $8.3 million at June 30, 2012 and $8.4 million at December 31, 2011 are included in other non-current assets per the consolidated balance sheet.  The restricted funds represent deposits required by state agencies for self-insurance purposes and designated funds that are earmarked for a specific purpose and not for general business use.

Note 5.  Investments and Fair Value Measurements

All of the Company’s long-term investment balances at June 30, 2012 and December 31, 2011 were invested in tax free, auction rate student ("ARS") loan educational bonds that are classified as available-for-sale.  The investments typically have an interest reset provision of 35 days with contractual maturities that currently range from June 1, 2034 to May 1, 2040.  At the reset date, the Company has the option to roll the investments and reset the interest rate or sell the investments in an auction. The Company receives the par value of the investment plus accrued interest on the reset date if the underlying investment is sold. As of June 30, 2012, 100% of ARS holdings, at par, were backed by the U.S. government and held AAA (or equivalent) ratings from recognized rating agencies.  

Municipal bonds are classified as held to maturity, are carried at amortized cost and are included in other assets per the consolidated balance sheet and were $1.3 million at June 30, 2012 and December 31, 2011. Differences between amortized cost and fair value of municipal bonds are not considered material. Auction rate securities are classified as available-for-sale and therefore are carried at fair value as estimated using Level 3 fair value inputs. The amortized cost and fair value of available-for-sale investments at June 30, 2012 and December 31, 2011 were as follows:

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	( in thousands)
June 30, 2012
Long-term:
Auction rate student loan educational bonds	$	22,325	$	—	$	1,284	$	21,041

December 31, 2011
Long-term:
Auction rate student loan educational bonds	$	53,650	$	—	$	3,081	$	50,569

The contractual maturities and announced calls of available-for-sale securities at June 30, 2012 are detailed in the table below. The table is prepared based on information known to management as of June 30, 2012. As management receives intents to call from issuers, the associated securities are changed from their contractual maturities to the date received in the respective call notice.

	Fair Value		Amortized Cost
Due within one year	$	—	$	—
Due after one year through five years	—		—
Due after five years through ten years	—		—
Due after ten years through May 1, 2040	21,041		22,325
	$	21,041	$	22,325

3

Estimated fair value of all auction rate security investments as of June 30, 2012 and December 31, 2011 was calculated using unobservable, Level 3 inputs, due to the lack of observable market inputs specifically related to student loan ARS as a result of auction failures beginning in February 2008.  The fair value of these investments as of the June 30, 2012 and December 31, 2011 measurement dates could not be determined with precision based on lack of observable market data and could vary significantly in future measurement periods.

The Company performs an internal cash flow analysis on an individual investment basis to estimate fair value of ARS using inputs determined based on management's understanding of market conditions as well as information derived from other publicly available third party sources. The Company also obtains estimated fair value of ARS from third party financial advisors. The Company obtains an understanding of assumptions in models used by third party financial institutions to estimate fair value. All of this information is considered when determining the estimated fair value of these instruments as recorded in the consolidated financial statements. The Company has analyzed the potential impact of a 50 basis point change to the rate of return, discount rate, and liquidity discount rate noting that this would not materially impact the recorded fair value.

The table below shows the inputs in the Company's cash flow models as of June 30, 2012 for the remaining ARS investments compared to the inputs used in cash flow models as of December 31, 2011. Inputs used in Company models of all securities held as of June 30, 2012 and December 31, 2011, excluding investments whose fair value is estimated to be par value as of the reporting period due to call notices being received by the Company were as follows:

	June 30, 2012	December 31, 2011
Average life of underlying loans	2-12 years	2-12 years
Rate of return	0.53-3.09%	0.68-2.92%
Discount rate	0.36-1.15%	0.48-1.14%
Liquidity discount rate	0.30-1.05%	0.55-1.16%

The unrealized loss of $1.3 million on ARS is recorded as accumulated other comprehensive loss.  During the three month period ended June 30, 2012 the Company recorded unrealized gains of $1.8 million due to the reversal of prior period recorded unrealized losses as the Company received $31.3 million in calls, at par, during the three months ended June 30, 2012. There were not any realized gains or losses related to these investments for the three month and six month periods ended June 30, 2012 and 2011. The Company can not currently project when liquidity will be obtained from these investments and plans to continue to hold such securities until the securities are called, redeemed, or resecuritized by the debt issuers.

The Company has evaluated the unrealized loss on these securities to determine whether the decline in fair value is other than temporary. Management has concluded the decline in fair value to be temporary based on the following considerations.

• Since auction failures began in February 2008, the Company has received approximately $176.1 million as the result of calls by issuers.   The Company received par value for the amount of these calls plus accrued interest. There have not been any defaults on scheduled interest payments.

• Based on the Company's financial operating results, current cash balances, operating cash flows and debt free balance sheet, the Company does not have the intent to sell such securities at a discount and it is not more likely than not to be required to sell the securities before they recover their value. 

• There have not been any significant changes in collateralization and ratings of the underlying securities since the first failed auction.  All of the Company's auction rate security portfolio, as of June 30, 2012, is in senior positions of AAA (or equivalent) rated securities that are backed by the U.S. government.

• The Company is aware of recent increases in default rates of the underlying student loans that are the assets to the trusts issuing the auction rate security debt, which management believes is due to current overall negative economic conditions.  As the underlying loans are guaranteed by the U.S. Government, defaults of the loans accelerate payment of the underlying loan to the trust.  As trusts are no longer recycling repayment money for new loans, accelerated repayment of any student loan to the underlying trust would increase cash flows of the trust which would potentially result in partial calls by the underlying trusts.

• As trusts are no longer recycling underlying loan repayment money for new loans, excess funds are being used to pay down debt of the trust therefore potentially resulting in partial calls of securities held by the Company prior to contractual maturities.

• The Company is aware of recent transactions taking place in secondary markets as well as tender offers for ARS at sub

4

par pricing. At this time, the Company does not intend to tender any holdings at sub par pricing. As ARS debt holders tender ARS debt back to trusts at sub par pricing, the overall equity of the trusts is strengthened.

• Current market activity and the lack of severity or extended decline do not warrant such action at this time.

Management will monitor its investments and ongoing market conditions in future periods to assess impairments considered to be other than temporary. Should fair value continue to remain below cost or decrease significantly from current levels due to credit related issues, the Company may be required to record an other than temporary impairment of these investments, through a charge in the consolidated statement of income although the factors currently do not warrant such a charge.

The table below presents a rollforward for all assets and liabilities, measured at fair value, on a recurring basis using significant unobservable inputs (Level 3) during the six months ended June 30, 2012 and 2011.

	Available-for-sale debt securities
	(in thousands)
	2012			2011
Balance, January 1	$	50,569		$	88,694
Settlements	(31,325		)	(21,650		)
Purchases	—			—
Issuances	—			—
Sales	—			—
Transfers in to (out of) Level 3	—			—
Total gains or losses (realized/unrealized):
Included in earnings	—			—
Included in other comprehensive loss, net of tax	1,797			—
Balance, June 30,	$	21,041		$	67,044

Note 6. Property, Equipment, and Depreciation

Property and equipment are reported at cost, net of accumulated depreciation, while maintenance and repairs are charged to operations as incurred.   Tires are capitalized separately from revenue equipment and are reported separately as “Prepaid Tires” in the consolidated balance sheet and amortized over two years.  Depreciation expense of $0.2 million for the three months ended June 30, 2012 and 2011 has been included in communication and utilities in the consolidated statements of comprehensive income. Depreciation expense of $0.3 million for the six months ended June 30, 2012 and 2011 has been included in communications and utilities in the consolidated statements of comprehensive income. Depreciation for financial statement purposes is computed by the straight-line method for all assets other than tractors.  The Company recognizes depreciation expense on tractors acquired subsequent to January 1, 2009, at 150% declining balance. At June 30, 2012 and June 30, 2011100% and 84.6%, respectively of the Company's tractor fleet was depreciated based on the 150% declining balance method. Tractors are depreciated to salvage values of $15,000 while trailers are depreciated to salvage values of $4,000.

Note 7. Earnings per Share

Basic earnings per share is based upon the weighted average common shares outstanding during each year.  Diluted earnings per share is based on the basic weighted earnings per share with additional weighted common shares for common stock equivalents. During the three and six months ended June 30, 2011 the Company did not have any common stock equivalents; therefore, diluted earnings per share were equal to basic earnings per share for those periods. During the three and six months ended June 30, 2012 the Company had grants of shares of common stock to certain employees of the Company under the 2011 Restricted Stock Award Plan. A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS")) for the three months and six months ended June 30, 2012 is as follows (in thousands, except per share data):

5

	Three months ended June 30, 2012
	Net Income (numerator) (in thousands)		Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	$	18,227	86,451	$	0.21
Effect of restricted stock	—		328
Diluted EPS	$	18,227	86,779	$	0.21

	Six months ended June 30, 2012
	Net Income (numerator) (in thousands)	Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	34,816	86,463	$	0.40
Effect of restricted stock	—	339
Diluted EPS	34,816	86,802	$	0.40

Note 8. Equity

In September, 2001, the Board of Directors of the Company authorized a program to repurchase the Company’s common stock in open market or negotiated transactions using available cash, cash equivalents and investments.   As of December 31, 2011 there were approximately 2.2 million shares remaining authorized for repurchase under a repurchase program. During February 2012, the Board of Directors increased the shares authorized for repurchase from the amount available to repurchase by approximately 2.8 million shares to a total of 5.0 million shares. There were 0.4 million shares repurchased during the three and six months ended June 30, 2012. As of June 30, 2012 the total shares authorized for repurchase is 4.6 million shares and does not have an expiration date. As of June 30, 2012 the Company owed $2.0 million in settlements on stock repurchases prior to June 30, 2012 which is included in accounts payable at June 30, 2012 and subsequently paid in July 2012.

Subsequent to June 30, 2012 the Company repurchased 0.7 million shares further reducing the authorized shares for repurchase to 3.96 million. The specific timing and amount of repurchases will be determined by market conditions, cash flow requirements, securities law limitations, and other factors. Repurchases will continue from time to time, as conditions permit, until the number of shares authorized to be repurchased have been bought, or until the authorization to repurchase is terminated, whichever occurs first. The share repurchase authorization is discretionary and has no expiration date. The repurchase program may be suspended, modified, or discontinued at any time.

During the three months ended June 30, 2012 and June 30, 2011 the Company's Board of Directors declared regular quarterly dividends totaling $1.7 million and $1.8 million, respectively. During the six months ended June 30, 2012 and 2011, the Company’s Board of Directors declared regular quarterly dividends totaling $3.5 million and $3.6 million, respectively.  The dividends declared during the three months ended June 30, 2012 and June 30, 2011 were paid subsequent to the quarter end for both respective periods and were included as part of accounts payable and accrued liabilities for each respective period. Future payment of cash dividends and the amount of such dividends will depend upon financial conditions, results of operations, cash requirements, tax treatment, and certain corporate law requirements, as well as factors deemed relevant by our Board of Directors.

Note 9. Stock-Based Compensation

The Heartland Express, Inc. 2011 Restricted Stock Award Plan (the "Plan") made available up to 0.9 million shares for the purpose of making restricted stock grants to eligible officers and employees of the Company. During December 2011, 0.4 million shares were granted to employees. These shares are service based awards beginning December 14, 2011 and 20% of the awards vest each June 1 through 2016. The first vesting period was June 1, 2012. Once vested, there are no other restrictions on the awards. Compensation expense associated with these awards is based on the market value of the Company's stock on the grant date. The Company's market closing price on December 14, 2011, grant date, was $13.57. There were no significant assumptions made in determining the fair value. Compensation expense associated with restricted stock awards is included in salaries, wages and benefits in the consolidated statements of comprehensive income. Compensation expense associated with restricted stock awards was $0.7 million and $1.6 million for the three and six months ended June 30, 2012 and unrecognized compensation expense was $3.0 million at June 30, 2012. Unrecognized compensation expense will be recognized over a weighted average period of 1.8 years from the grant date of December 14, 2011 and total period of 4.5 years.

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The following table summarizes the Company's restricted stock award activity for the three and six months ended June 30, 2012. There were no restricted stock awards granted, vested or forfeited during the three months ended March 31, 2012. The vesting date for all awards vested in 2012 was June 1, 2012. There were no restricted stock awards granted or outstanding during the three and six months ended June 30, 2011.

	2012
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of year	351		$	13.57
Granted	—		$	—
Vested	(70	)	$	—
Forfeited	—		$	—
Outstanding (unvested) at end of period	281		$	13.57

Note 10.  Income Taxes

Deferred income taxes are determined based upon the differences between the financial reporting and tax basis of the Company’s assets and liabilities.  Deferred taxes are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.

The Company recognizes the effect of income tax positions only if those positions are more likely than not of being sustained.  Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. Changes in recognition or measurement are reflected in the period in which the change in judgment occurs.  The Company records interest and penalties related to unrecognized tax benefits in income tax expense. The Company had recorded a valuation allowance of $0.4 million at June 30, 2012 and December 31, 2011 related to the Company’s deferred tax asset associated specifically with unrealized losses on auction rate securities. This valuation allowance was recorded as the Company does not have historical capital gains nor does it expect to generate capital gains sufficient to utilize the entire deferred tax asset generated by the fair value adjustment.  As the fair value adjustment was recorded through accumulated other comprehensive loss, the associated valuation allowance was also recorded through accumulated other comprehensive loss.  The above mentioned allowance did not impact the consolidated statement of comprehensive income for the three and six months ended June 30, 2012 and 2011.  The Company has not recorded a valuation allowance against any other deferred tax assets.  In management’s opinion, it is more likely than not that the Company will be able to utilize these deferred tax assets in future periods as a result of the Company’s history of profitability, taxable income, and reversal of deferred tax liabilities.

At June 30, 2012 and December 31, 2011, the Company had a total of $14.5 million and $16.1 million in gross unrecognized tax benefits, respectively.  Of this amount, $9.3 million and $10.3 million represents the amount of unrecognized tax benefits that, if recognized, would impact our effective tax rate as of June 30, 2012 and December 31, 2011.  Unrecognized tax benefits were a net decrease of $0.7 million and $1.6 million during the three months ended June 30, 2012 and June 30, 2011. Unrecognized tax benefits were a net decrease of $1.5 million and $2.7 million during the six months ended June 30, 2012 and 2011, due mainly to the expiration of certain statutes of limitation net of additions.  These decreases had the effect of reducing the effective state tax rate during these respective periods.

The total net amount of accrued interest and penalties for such unrecognized tax benefits was $6.8 million and $8.0 million at June 30, 2012 and December 31, 2011 and is included in income taxes payable on the consolidated balance sheet.  Net interest and penalties included in income tax expense for the three months ended June 30, 2012 and June 30, 2011 was a benefit of approximately $0.4 million and $0.8 million, respectively. Net interest and penalties included in income tax expense for the six months ended June 30, 2012 and 2011 was a benefit of approximately $1.3 million and $1.5 million, respectively. Income tax expense is increased each period for the accrual of interest on outstanding positions and penalties when the uncertain tax position is initially recorded. Income tax expense is reduced in periods by the amount of accrued interest and penalties associated with reversed uncertain tax positions due to lapse of applicable statute of limitations, when applicable. Income tax expense was reduced during the three and six month periods ended June 30, 2012 and 2011 due to reversals of interest and penalties due to lapse of applicable statute of limitations net of additions for interest and penalty accruals during the same period. These unrecognized tax benefits relate to risks associated with state income tax filing positions for the Company’s corporate subsidiaries.

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A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	(in thousands)
Balance at December 31, 2011	$	16,062
Additions based on tax positions related to current year	558
Additions for tax positions of prior years	390
Reductions for tax positions of prior years	(70		)
Reductions due to lapse of applicable statute of limitations	(2,426		)
Settlements	—
Balance at June 30, 2012	$	14,514

A number of years may elapse before an uncertain tax position is audited and ultimately settled. It is difficult to predict the ultimate outcome or the timing of resolution for uncertain tax positions. It is reasonably possible that the amount of unrecognized tax benefits could significantly increase or decrease within the next twelve months. These changes could result from the expiration of the statute of limitations, examinations or other unforeseen circumstances. As of June 30, 2012, the Company is under examinations by four state agencies. The Company was also under an examination with the IRS regarding the Company's federal tax return for 2009 which was settled during July 2012 for an immaterial amount. The Company does not have any outstanding litigation related to tax matters.  At this time, management’s best estimate of the reasonably possible change in the amount of gross unrecognized tax benefits to be a decrease of approximately $0.5 million to $1.5 million during the next twelve months mainly due to the expiration of certain statute of limitations.  The federal statute of limitations remains open for the years 2009 and forward. Tax years 2002 and forward are subject to audit by state tax authorities depending on the tax code and administrative practice of each state.

Note 11.  Commitments and Contingencies

The Company is a party to ordinary, routine litigation and administrative proceedings incidental to its business. In the opinion of management, the Company’s potential exposure under pending legal proceedings is adequately provided for in the accompanying consolidated financial statements.  

The total estimated purchase commitments for trailer equipment and amounts due on equipment received, but not paid for, at June 30, 2012, was $12.2 million.

Note 12.  Subsequent Events

The Company has evaluated events occurring subsequent to June 30, 2012 through the filing date of this Quarterly Report on Form 10-Q for disclosure. Subsequent to June 30, 2012 the Company repurchased 690,906 shares of common stock for $9.5 million.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

This Item 2 contains certain statements that may be considered forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and such statements are subject to the safe harbor created by such sections. All statements, other than statements of historical fact, are statements that could be deemed forward-looking statements, including without limitation: any projections of earnings, revenues, or other financial items; any statement of plans, strategies, and objectives of management for future operations; any statements concerning proposed new services or developments; any statements regarding future economic conditions or performance; and any statements of belief and any statement of assumptions underlying any of the foregoing. Such statements may be identified by their use of terms or phrases such as “expects,” “estimates,” “projects,” “believes,” “anticipates,” “intends,” “may” “could, ” and similar terms and phrases. Forward-looking statements are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified, which could cause future events and actual results to differ materially from those set forth in, contemplated by, or underlying the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, those discussed in the section entitled "Item 1A. Risk Factors," set forth in the Company's Annual Report on Form 10-K, which is by this reference incorporated herein. Readers should review and consider the factors discussed in “Risk Factors” of the Company's Annual Report on Form 10-K, along with various disclosures in our press releases, stockholder reports, and other filings with the Securities and Exchange Commission.

All such forward-looking statements speak only as of the date of this Quarterly Report. You are cautioned not to place undue reliance on such forward-looking statements. The Company expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in the Company's expectations with regard thereto or any change in the events, conditions, or circumstances on which any such statement is based.

Overview

Heartland Express, Inc. is a short-to-medium haul truckload carrier with corporate headquarters in North Liberty, Iowa. The Company provides regional dry van truckload services through its regional terminals and its corporate headquarters.  The Company transports freight for major shippers and generally earns revenue based on the number of miles per load delivered.  The Company’s eleven regional operating divisions, not including operations at the corporate headquarters, accounted for 74.5% and 72.6% of the operating revenues for the three months ended June 30, 2012 and 2011, respectively.  For the six months ended June 30, 2012 and 2011, the Company’s eleven regional operating divisions, not including operations at the corporate headquarters, accounted for 74.2% and 72.4% of the operating revenues, respectively. The Company takes pride in the quality of the service that it provides to its customers.  The Company believes the keys to maintaining a high level of service are the availability of late-model equipment and experienced drivers.

Operating efficiencies and cost controls are achieved through equipment utilization, operating a fleet of late model equipment, maintaining an industry leading driver to non-driver employee ratio, and the effective management of fixed and variable operating costs.  During 2010, industry capacity began to tighten and demand for freight services generally increased throughout 2011 and into 2012 although current freight volumes are still below volumes experienced prior to the recent recession. The Company has experienced increasing difficulties attracting and retaining qualified drivers. Competition for drivers escalated during 2011 and continues to be competitive among carriers due mainly to general improvements in the demand for freight services.

Fuel prices have and will continue to challenge the industry. Fuel expense has historically been the second highest cost to the Company behind salaries, wages, and benefits. For the six months ended June 30, 2012 and 2011 fuel expense was 30.5% and 30.8% of operating revenues compared to salaries, wages and benefits being 30.9% and 31.7%, respectively. During 2008 when fuel prices peeked, fuel expense was 32.7% of the Company's operating revenues. Although the Company maintains fuel surcharge agreements with customers, the Company is not able to pass through all fuel price increases through fuel surcharge agreements with customers due to empty and out-of-route miles. The Company continues to focus on fuel surcharge pricing, truck idling hours, late model tractors with increased fuel economy, newer trailers with skirting and fuel purchasing decisions in an effort to lessen the impact of higher fuel costs. The Company anticipates that fuel prices will remain at or above current levels. Average Department of Energy (DOE) diesel fuel prices increased 3.2% for the six months ended June 30, 2012 compared to the six months ended June 30, 2011. For the six months ended June 30, 2012, the Company's net fuel cost per mile (fuel expense less fuel surcharge revenue not passed on to owner operators over company driver miles) decreased 5.9% on slightly higher miles comparing the two periods. At June 30, 2012, 100% of the Company's tractor fleet is equipped with idle management controls. At June 30, 2012, the Company’s tractor fleet had an average age of 2.2 years compared to an average age of 1.74 at June 30, 2011. The Company will continue to upgrade its trailer fleet during 2012 taking advantage of a robust used trailer market. At June 30, 2012, the

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Company's trailer fleet had an average age of 3.5 years compared to 4.8 as of June 30, 2011 and is expected to improve throughout the second half of 2012 based on the Company's commitment to replace certain older trailers with new trailers during the second half of 2012.

The Company hires only experienced drivers (minimum 1 year of driving experience) with safe driving records. In order to attract and retain experienced drivers who understand the importance of customer service, the Company has sought to solidify its position as an industry leader in driver compensation in the Company's operating markets. The Company offers the top or near the top compensation pay per mile to drivers in the markets in which the Company operates.

The Company ended the first half of 2012 with operating revenues of $274.5 million, including fuel surcharges, net income of $34.8 million, and basic earnings per share of $0.40 on basic weighted average outstanding shares of 86.5 million compared to operating revenues of $264.9 million, including fuel surcharges, net income of $37.4 million, and basic earnings per share of $0.41 on basic weighted average shares of 90.7 million in the first half of 2011. The Company posted an 81.6% operating ratio (operating expenses as a percentage of operating revenues) for the six months ended June 30, 2012 compared to 79.4% for the same period of 2011 and a 12.7% net margin (net income as a percentage of operating revenues) for the six months ended June 30, 2012 compared to 14.1% in same period of 2011. The six month period ended June 30, 2011 included $7.8 million more in gains on disposal of property and equipment due to a higher volume of revenue equipment activity compared to the same period of 2012. The Company had total assets of $551.7 million at June 30, 2012. The Company achieved a return on assets of 12.4% and a return on equity of 19.0% over the immediate past four quarters ended June 30, 2012.  

The Company’s cash flow from operations for the six months ended June 30, 2012 of $43.7 million was 15.9% of operating revenues compared to $41.8 million and 15.8% in the first six months of 2011.  The Company received $32.1 million in net investing cash flows, mainly due to $31.3 million in ARS calls, at par, received during the six months ended June 30, 2012. The Company spent $4.8 million on dividends and stock buybacks during the six months ended June 30, 2012. As a result, the Company increased cash and cash equivalents $71.0 million during the six months ended June 30, 2012.  The Company ended the first half of 2012 with cash, cash equivalents, and investments of $231.8 million and a debt-free balance sheet.

Results of Operations

The following table sets forth the percentage relationships of expense items to total operating revenue for the periods indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Operating revenue	100.0	%	100.0	%	100.0	%	100.0	%
Operating expenses:
Salaries, wages, and benefits	30.8	%	30.4	%	30.9	%	31.7	%
Rent and purchased transportation	1.1		1.5		1.2		1.5
Fuel	29.4		30.8		30.5		30.8
Operations and maintenance	4.5		4.5		4.3		4.2
Operating taxes and license	1.6		1.6		1.6		1.7
Insurance and claims	2.8		2.9		2.4		2.4
Communications and utilities	0.5		0.5		0.5		0.5
Depreciation	10.0		10.0		10.2		9.8
Other operating expenses	2.6		2.5		2.8		2.6
Gain on disposal of property and equipment	(2.5	)	(8.5	)	(2.8	)	(5.9	)
	80.9	%	76.2	%	81.6	%	79.4	%
Operating income	19.1	%	23.8	%	18.4	%	20.6	%
Interest income	0.1		0.2		0.1		0.2
Income before income taxes	19.3	%	24.0	%	18.5	%	20.8	%
Income taxes	6.2		7.6		5.8		6.6
Net income	13.0	%	16.4	%	12.7	%	14.1	%

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Three Months Ended June 30, 2012 Compared With the Three Months Ended June 30, 2011

Operating revenue increased 2.5 million (1.8%), to $139.7 million for the three months ended June 30, 2012 from $137.2 million for the three months ended June 30, 2011.  The increase in revenue was mainly the result of a $3.0 million (2.7%) increase in line haul and other revenues offset by a decrease in fuel surcharge revenue of $0.4 million (1.5%) from $29.7 million to $29.2 million.  Line haul and other revenues increased as a result of a combined effect of an increase in freight rates per loaded mile, higher total miles and higher deadhead miles as a percentage of total miles. Fuel surcharge revenues represent fuel costs passed on to customers based on customer specific fuel charge recovery rates and billed loaded miles. Fuel surcharge revenues decreased mostly as a result of a 2.1% decrease in average DOE diesel fuel prices during the three months ended June 30, 2012 compared to the same period of 2011.  

Salaries, wages, and benefits increased $1.2 million (3.0%), to $43.0 million for the three months ended June 30, 2012 from $41.7 million in the same 2011 period.  The increase was mainly the net result of a $0.7 million increase in stock-based compensation due to the expense recognized on restricted stock awards granted in December 2011. In addition there was a $0.4 million increase in driver wages due to higher total miles driven by Company drivers.

Rent and purchased transportation decreased $0.4 million (20.1%), to $1.6 million for the three months ended June 30, 2012 from $2.0 million in the comparable period of 2011.  The decrease is mainly attributable to a decrease in amounts paid to independent contractors due to fewer miles driven as a result of fewer independent contractors driving for the Company comparing the two periods. During the three months ended June 30, 2012 and 2011 independent contractors accounted for 1.4% and 1.9%, respectively, of the total fleet miles.

Fuel decreased $1.2 million (2.8%), to $41.1 million for the three months ended June 30, 2012 from $42.3 million for the same period of 2011. The decrease is primarily the result of decreased fuel prices, $1.8 million, offset by an increase in volume of $0.6 million mainly due to more miles driven. Fuel cost per mile, net of fuel surcharge, decreased 7.9% in the 2012 period compared to the same period of 2011.  The DOE average diesel price per gallon for the three months ended June 30, 2012 was $3.93 per gallon compared to the same period of 2011 of $4.01 per gallon, a 2.0% decrease.   The Company had an increase in miles driven period over period which contributed to more fuel volume, although the decrease in fuel cost was approximately the same percentage decrease in the average price of fuel. This was largely attributable to newer, more fuel efficient, revenue equipment and improvements in the Company's total average fuel economy as well as lower decreases in fuel surcharge revenues compared to the decrease in fuel prices.

Gains on the disposal of property and equipment decreased $8.1 million (69.6%), to $3.5 million during the three months ended June 30, 2012 from $11.7 million in the same period of 2011.  The decrease was the combined effect of decreases in gains on sales of tractor equipment of $6.6 million and decreased gains on trailer equipment sales of $1.5 million. The decrease in gains on tractors and trailers was the net result of the Company selling approximately 96% less tractors and 40% less trailer units comparing the two periods. The Company will continue to upgrade its trailer fleet in the second half of 2012 but to a lesser extent than it did in 2011.

The Company’s effective tax rate was 32.3% and 31.5% for three months ended June 30, 2012 and 2011, respectively.  The increase in the effective tax rate for 2012 is primarily attributable to a net decrease in favorable income tax expense adjustments during the 2012 period compared to the same period of 2011 resulting from the roll off of certain state tax contingencies and provision to return adjustments coupled with less taxable income during the current period compared to the same period of 2011.

As a result of the foregoing, the Company’s operating ratio (operating expenses as a percentage of operating revenue) was 80.9% during the three months ended June 30, 2012 compared with 76.2% during the three months ended June 30, 2011.  Net income decreased $4.3 million (19.1%), to $18.2 million for the three months ended June 30, 2012 from $22.5 million during the compared 2011 period as a result of the net effects discussed above.

Six Months Ended June 30, 2012 Compared With the Six Months Ended June 30, 2011

Operating revenue increased $9.7 million (3.6%), to $274.5 million for the six months ended June 30, 2012 from $264.9 million for the six months ended June 30, 2011.  The increase in revenue was mainly the result of a $3.4 million (6.3%) increase in fuel surcharge revenue from $53.8 million in 2011 to $57.3 million in 2012.  Line haul and other revenues increased $6.2 million (3.0%) on an increase in total miles and an increase in freight rates per total mile. Fuel surcharge revenues represent fuel costs passed on to customers based on customer specific fuel charge recovery rates and billed loaded miles. Fuel surcharge revenues increased mostly as a result of a 3.2% increase in average DOE diesel fuel prices during the six months ended June 30, 2012 compared to the same period of 2011, as well as a slight improvement in loaded miles.  

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Salaries, wages, and benefits increased $1.0 million (1.2%), to $85.0 million for the six months ended June 30, 2012 from $83.9 million in the same 2011 period.  The increase was the net result of a $0.7 million (1.2%) increase in driver wages, $1.6 million increase in amortization of stock-based compensation offset by $0.8 million decrease (30.6%) in workers' compensation expense and $0.5 million in other wages, taxes and health insurance. The Company driver wage increase was mainly due to an increase in total miles driven by company drivers comparing the two six month periods. Workers' compensation decreased due to a decrease in the frequency and severity of claims. Stock-based compensation increased as a result of the amortization of restricted stock awards granted in December 2011. There were no outstanding restricted stock awards during the first six months of 2011.

Rent and purchased transportation decreased $0.7 million (17.3%), to $3.3 million for the six months ended June 30, 2012 from $3.9 million in the comparable period of 2011.  The decrease is mainly attributable to a decrease in amounts paid to independent contractors due to fewer miles driven as a result of fewer independent contractors driving for the Company comparing the two periods. During the six months ended June 30, 2012 and 2011 independent contractors accounted for 1.5% compared to 1.9%, respectively, of the total fleet miles.

Fuel increased $2.4 million (2.9%), to $83.8 million for the six months ended June 30, 2012 from $81.5 million for the same period of 2011. The increase is split between increased fuel prices, $1.2 million and $1.2 million due to more miles driven. Fuel cost per mile, net of fuel surcharge, decreased 5.9% in the 2012 period compared to the same period of 2011.  The DOE average diesel price per gallon for the six months ended June 30, 2012 was $3.96 per gallon compared to the same period of 2011 of $3.83 per gallon a 3.2% increase.   

Depreciation increased $1.9 million (7.3%), to $27.9 million during the the six months ended June 30, 2012 from $26.0 million in the same period of 2011.  The increase is mainly attributable to an increase in trailer depreciation $1.9 million due to the Company's continued upgrade of its trailer fleet which began in 2011 and continues through 2012. New trailers being added are replacing trailers that had previously been depreciated to their estimated salvage values.

Operating and maintenance expense increased $0.7 million (5.8%), to $11.9 million during the six months ended June 30, 2012 from $11.2 million in the same period of 2011. Operating and maintenance costs increased $0.9 million due to increases in tire costs.

Gains on the disposal of property and equipment decreased $7.8 million (50.0%), to $7.8 million during the six months ended June 30, 2012 from $15.5 million in the same period of 2011.  The decrease was the combined effect of decreases in gains on sales of tractor equipment of $4.7 million and decreased gains on trailer equipment sales of $3.1 million. The decrease in gains on tractors and trailers was largely due to the Company selling approximately 79% less tractors and approximately 42% less trailer equipment during the six months ended June 30, 2012 compared to the same period of 2011. The Company intends to continue to upgrade its trailer fleet in 2012 with the purchase of an additional 558 new trailers to complete a purchase commitment of 1,000 new Wabash trailers by the end of the third quarter.

Interest income decreased $0.1 million (30.7%), to $0.3 million in the six months ended June 30, 2012 from $0.4 million in the 2011 period.   The decrease is mainly the result of lower average portfolio returns due to the continued historical lows of short-term interest rates. The decrease in the Company's overall return was largely attributable to a larger mix of cash and cash equivalents on average held throughout the period compared to the prior year period due to calls of long-term auction rate security investments tied to longer term interest rates being converted to cash and cash equivalents upon receipt of calls of auction rate securities.

The Company’s effective tax rate was 31.5% and 32.0% for six months ended June 30, 2012 and 2011, respectively.  The decrease in the effective tax rate for 2012 is primarily attributable to a net decrease in income before tax of $4.2 million combined with only a $0.2 million decrease in favorable income tax expense adjustments during the 2012 period compared to the same period of 2011.

As a result of the foregoing, the Company’s operating ratio (operating expenses as a percentage of operating revenue) was 81.6% during the six months ended June 30, 2012 compared with 79.4% during the six months ended June 30, 2011.  Net income decreased $2.6 million (6.9%), to $34.8 million for the six months ended June 30, 2012 from $37.4 million during the compared 2011 period as a result of the net effects discussed above.

Liquidity and Capital Resources

The growth of the Company’s business requires significant investments in new revenue equipment.  Historically the Company has been debt-free, funding revenue equipment purchases with cash flow provided by operations and sales of equipment, which has been the case during the most recent tractor and trailer upgrades. The Company ended the first six months of 2012 with cash and cash equivalents of $210.7 million, a $71.0 million increase since December 31, 2011. The Company’s primary source of

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liquidity has historically been from operating activities which during the first six months of 2012 was $43.7 million compared to $41.8 million during the same period of 2011.  This was primarily a result of net income (excluding non-cash depreciation, non-cash amortization of stock-based compensation, changes in deferred taxes, and gains on disposal of equipment) being approximately $5.3 million lower during 2012 compared to 2011 offset by an increase in cash flow generated by operating assets and liabilities of approximately $7.2 million.  The net increase in cash provided by operating assets and liabilities for the first six months of 2012 compared to the same period of 2011 was mainly attributable to decreased spending on prepaid tires. Cash flow from operating activities was 15.9% of operating revenues for the six months ended June 30, 2012 compared with 15.8% for the same period of 2011.

Cash flows provided by investing activities was $32.1 million during the first six months of 2012 compared to cash flow used in investing activities of $9.7 million during the same period of 2011 or an increase of $41.7 million.  The increase of investing cash flows was the result of a decrease in net capital expenditures (cash used in equipment purchases less cash provided from equipment sales) of $30.5 million due to timing of equipment sales and purchases as well as an increase in net cash (investment maturities and calls less purchases) provided by investments of $9.7 million. The increase in cash provided by calls of tax free, auction rate student loan educational bonds ("ARS"), at par, during the first half of 2012 compared to calls during the first six months of 2011 is due to timing of refinance activities by the underlying debt insurers. The Company currently has $12.2 million left on a purchase commitment for trailers which is expected to be completed during the third quarter. Although the Company expects to sell trailers during the third quarter of 2012, as anticipated trailer purchases replace older trailers, there are no guaranteed commitments from third parties to buy trailers during 2012 and therefore these estimated trailer proceeds have not been used to reduce the Company's outstanding commitment.

Cash flows used by financing activities was $4.8 million during the first six months of 2012 compared to usage of $1.8 million in the comparative period of 2011. The increase in cash used by financing activities was due to $3.0 million spent during the six months ended June 30, 2012 on stock repurchases. There was a total of $5.0 million spent on stock repurchases during the six months ended June 30, 2012, of which $2.0 million settled after June 30, 2012. There were no stock repurchases during the six month period of 2011.

In September, 2001, the Board of Directors of the Company authorized a program to repurchase the Company’s common stock in open market or negotiated transactions using available cash, cash equivalents and investments.   As of December 31, 2011 there were approximately 2.2 million shares remaining authorized for repurchase under a repurchase program. During February 2012, the Board of Directors increased the shares authorized for repurchase from the amount available to repurchase by approximately 2.8 million shares to bring the total amount shares authorized for repurchase to 5.0 million shares as of February 2012. There were 363,456 shares repurchased during the three and six months ended June 30, 2012. As of June 30, 2012 the total shares authorized for repurchase is 4.6 million shares and does not have an expiration date. Subsequent to June 30, 2012, the Company repurchased another 679,202 shares for $(9.5) million reducing the amount of shares authorized for repurchase to 3.9 million shares. The specific timing and amount of repurchases will be determined by market conditions, cash flow requirements, securities law limitations, and other factors. Repurchases will continue from time time, as conditions permit, until the number of shares authorized to be repurchased have been bought, or until the authorization to repurchase is terminated, whichever occurs first. The share repurchase authorization is discretionary and has no expiration date. The repurchase program may be suspended, modified, or discontinued at any time.

The Company paid income taxes, net of refunds, of $24.7 million in the first six months of 2012 which was $13.6 million higher than income taxes paid during the same period of 2011 of $11.1 million.   The increase was mainly due to higher estimated income tax payments comparing the two periods due to a decrease in revenue equipment purchases in 2012 compared to 2011 and allowance of 100% bonus depreciation for tax on equipment purchases during 2011 and 50% bonus depreciation for tax on equipment purchases during 2012.

Management believes the Company has adequate liquidity to meet its current and projected needs in the foreseeable future.  Management believes the Company will continue to have significant capital requirements over the long-term which are expected to be funded from cash flows provided by operations, existing cash, cash equivalents and investments, and in certain cases, proceeds from the sale of used equipment.  The Company’s balance sheet remains debt free.   At June 30, 2012, the Company had $231.8 million in cash, cash equivalents and investments, an increase of $41.4 million from December 31, 2011.  

All of the Company’s long-term investment balances at June 30, 2012 and December 31, 2011 were invested in tax free, auction rate student ("ARS") loan educational bonds that are classified as available-for-sale.  The investments typically have an interest reset provision of 35 days with contractual maturities that currently range from June 1, 2034 to May 1, 2040.  At the reset date, the Company has the option to roll the investments and reset the interest rate or sell the investments in an auction. The Company receives the par value of the investment plus accrued interest on the reset date if the underlying investment is sold. As of June 30, 2012, 100% of ARS holdings, at par, were backed by the U.S. government and held AAA (or equivalent) ratings from recognized

13

rating agencies.  

As of June 30, 2012, all of the Company’s auction rate student loan bonds were associated with unsuccessful auctions.  As such, the estimated fair value of the underlying investments had declined below amortized cost of the investments as a result of liquidity issues in the auction rate markets. To date, there have been no instances of delinquencies or non-payment of applicable interest from the issuers and all calls of securities by the issuers have been at par value plus accrued interest.  Since the first auction failures in February 2008 when the Company had approximately $198.5 million ARS at par, the Company has received approximately $176.1 million of calls from issuers, at par, plus accrued interest at the time of the call.  The remaining ARS balance at June 30, 2012 is $21.0 million at fair value, 3.8% of total assets. The Company received $31.3 million in calls, at par, during the six months ended June 30, 2012. The Company can not currently project when liquidity will be obtained from these investments and plans to continue to hold such securities until the securities are called, redeemed, or resecuritized by the debt issuers. The accrued interest income is included in other current assets in the consolidated balance sheet.

Off-Balance Sheet Transactions

The Company’s liquidity or financial condition is not materially affected by off-balance sheet transactions.

Risk Factors

You should refer to Item 1A of our Annual Report (Form 10-K) for the year ended December 31, 2011, under the caption “Risk Factors” for specific details on the following factors that are not within the control of the Company and could affect our financial results.

• Our business is subject to general economic and business factors that are largely out of our control, any of which could have a materially adverse effect on our operating results.

• Our growth may not continue at historic rates.

• If we are unable to retain our current customers at our current freight rates, our results of operations could be adversely affected.

• We are highly dependent on a few major customers, the loss of one or more of which could have a materially adverse effect on our business.

• We have significant ongoing capital requirements that could affect our profitability if we are unable to generate sufficient cash from operations and obtain financing on favorable terms.

• Increased prices, reduced productivity, and restricted availability of new revenue equipment and decreased demand and value of used equipment may adversely affect our earnings and cash flows.

• If fuel prices increase significantly, our results of operations could be adversely affected.

• Difficulty in driver and independent contractor recruitment and retention may have a materially adverse effect on our business.

• If our independent contractors are deemed by regulators or judicial process to be employees, our business and results of operations could be adversely affected.

• We operate in a highly regulated industry, and increased costs of compliance with, or liability for violation of, existing or future regulations could have a materially adverse effect on our business.

• CSA (Compliance, Safety, Accountability) could adversely affect our profitability and operations, our ability to maintain or grow our fleet, and our customer relationships.

• Our operations are subject to various environmental laws and regulations, the violations of which could result in substantial fines or penalties.

• We may not make acquisitions in the future, or if we do, we may not be successful in integrating the acquired company, either of which could have a materially adverse effect on our business.

• If we are unable to retain our key employees or find, develop, and retain service center managers, our business, financial condition, and results of operations could be adversely affected.

• If the estimated fair value of auction rate securities continue to remain below cost or if the fair value decreases significantly from the current fair value, we may be required to record an impairment of these investments, through a charge in the consolidated statement of income, which could have a materially adverse effect on our earnings.

• Seasonality and the impact of weather affect our operations profitability.

• Ongoing insurance and claims expenses could significantly reduce our earnings.

• We are dependent on computer and communications systems, and a systems failure could cause a significant disruption to our business.

14

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

General

We are exposed to market risk changes in interest rates on our investments and from changes in commodity prices, primarily fuel and rubber. We do not currently use derivative financial instruments for risk management purposes, although we have used in the past for fuel price risk management, and do not use them for either speculation or trading. Because our operations are confined to the United States, we are not subject to a material foreign currency risk.

Investments

All of the Company’s long-term investment balances at June 30, 2012 and at December 31, 2011 were invested in tax free, auction rate student ("ARS") loan educational bonds that are classified as available-for-sale.  Should the Company have a need to liquidate any of these investments, the Company may be required to discount these securities for liquidity but the Company currently does not have this liquidity requirement.  Based on historical and current operating cash flows, the Company does not currently anticipate a requirement to liquidate underlying investments at discounted prices.   If the investments are downgraded in the credit ratings or the Company witnesses other indicators of issues with collection, the Company may be required to recognize an other than temporary impairment on these securities and record a charge in the statement of income.

Assuming the Company maintains long-term investment balances consistent with balances as of June 30, 2012, ($22.3 million amortized cost), and if market rates of interest on our investments decreased by 100 basis points, the estimated reduction in annual interest income would be approximately $0.2 million.

Interest Rate Risk

The Company has no debt outstanding as of June 30, 2012 and therefore, has no market risk related to debt. Management believes that an increase in short-term interest rates could have a materially adverse effect on our financial condition only if we incur substantial indebtedness and the interest rate increases are not offset by freight rate increases or other items. Management does not foresee or expect in the near future any significant changes in our exposure to interest rate fluctuations or in how that exposure is managed by us.

Commodity Price Risk

We are subject to commodity price risk primarily with respect to purchases of fuel. Historically, we have sought to recover a portion of our short-term fuel price increases from customers through fuel surcharges, and during 2009, in an attempt to further manage our exposure to changes in fuel prices, we used derivative instruments designated as cash flow hedges on a limited basis. During February 2012 the Board of Directors authorized the Company to hedge fuel purchases in quantities similar to the quantities hedged during 2009 although there are no outstanding hedges of fuel purchases at June 30, 2012. Fuel surcharges that can be collected do not always fully offset an increase in the cost of diesel fuel. We believe that the majority of the fuel price increases are generally passed to our customers although based on the Company's historical experience, the Company is not able to pass through to customers 100% of fuel price increases. The Company is not able to pass through fuel costs associated with out-of-route miles and tractor idle time.

We are also subject to commodity price risk associated with rubber. We use a significant amount of tires to maintain our revenue equipment. The Company is not able to pass through 100% of price increases from tire suppliers due to the severity and timing of increases and current rate environment. Historically, we have sought to minimize tire price increases through bulk tire purchases from our suppliers.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures– The Company has established disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) to ensure that material information relating to the Company, including its consolidated subsidiaries, is made known to the officers who certify the Company’s financial reports and to other members of senior management and the Board of Directors.

As of the end of the period covered by this report, the Company carried out an evaluation, under the supervision and with the participation of the Company's management, including the Chief Executive Officer (Principal Executive Officer) and Chief Financial Officer (Principal Accounting and Financial Officer), of the effectiveness of the design and operations of the Company's

15

disclosure controls and procedures, and as defined in Exchange Act Rule 15d-15(e). Based upon that evaluation, the Company's Chief Executive Officer and Chief Financial Officer concluded that the Company's disclosure controls and procedures are effective in enabling the Company to record, process, summarize and report information required to be included in the Company's periodic SEC filings within the required time period.

Changes in Internal Control Over Financial Reporting – There have been no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2012, that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II

ITEM 1. LEGAL PROCEEDINGS

The Company is a party to ordinary, routine litigation and administrative proceedings incidental to its business. These proceedings primarily involve claims for personal injury, property damage, cargo, and workers’ compensation incurred in connection with the transportation of freight.  The Company maintains insurance to cover liabilities arising from the transportation of freight for amounts in excess of certain self-insured retentions.

ITEM 2. CHANGE IN SECURITIES

Repurchases of common stock

	(a) Total number of shares purchased	(b) Average price paid per share	(c) Total number of shares purchased as part of publicly announced plans or programs	(d) Maximum number of shares that may yet be purchased under the plans or programs
				5,000,000
April 1, 2012 - April 30, 2012	8,265	13.762	8,265	4,991,735
May 1, 2012 - May 30, 2012	40,484	13.772	40,484	4,951,251
June 1, 2012 - June 30, 2012	314,707	13.704	314,707	4,636,544

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. Mine Safety Disclosures

Not applicable.

ITEM 5. OTHER INFORMATION

None.

16

ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K

(a) Exhibits

3.1	Articles of Incorporation. Incorporated by reference to the Company's registration statement on Form S-1, Registration No. 33-8165, effective November 5, 1986.
3.2	Amended and Restated Bylaws. Incorporated by reference to the Company's Form 10-K, for the year ended December 31, 2007, dated February 28, 2008
3.3	Certificate of Amendment to Articles of Incorporation. Incorporated by reference to the Company's Form 10-QA, for the quarter ended June 30, 1997, dated March 20, 1998.
4.1	Articles of Incorporation. Incorporated by reference to the Company's registration statement on Form S-1, Registration No. 33-8165, effective November 5, 1986.
4.2	Amended and Restated Bylaws. Incorporated by reference to the Company's Form 10-K, for the year ended December 31, 2007, dated February 28, 2008.
4.3	Certificate of Amendment to Articles of Incorporation. Incorporated by reference to the Company's Form 10-QA, for the quarter ended June 30, 1997, dated March 20, 1998.
10.1*	Restricted Stock Agreement. Incorporated by reference to the Company’s Form 14-A filed June 13, 2011. Commission file no. 0-15087
10.2*	Nonqualified Deferred Compensation Plan. Incorporated by reference to the Company’s Form 10-K for the year ended December 31, 2006. Commission file no. 0-15087.
10.3*	Form of Award Notice under the 2011 Restricted Stock Award Plan. Incorporated by reference to the Company's Form 10-K for the year ended December 31, 2011. Commission file no. 0-15087.
31.1**	Certification of Principal Executive Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
31.2**	Certification of Principal Financial Officer Pursuant to Rule 13a-14(a) and Rule 15d-14(a) of the Securities Exchange Act, as amended.
32.1**	Certification of Principal Executive Officer Pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of the Principal Financial Officer Pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS***	XBRL Instance Document.
101.SCH***	XBRL Taxonomy Extension Schema Document
101.CAL***	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF***	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB***	XBRL Taxonomy Extension Label Linkbase Document
101.PRE***	XBRL Taxonomy Extension Presentation Linkbase Document

*Management contract or compensatory plan or arrangement.

**Filed with the Company's Quarterly Report on Form 10-Q for the period ended June 30, 2012, filed with the Securities and Exchange Commission on August 8, 2012.

*** In accordance with Regulation S-T, the XBRL-related information in Exhibit 101 shall be deemed to be "furnished" and not "filed."

17

(b) Reports on Form 8-K

1.	Report on Form 8-K, dated April 19, 2012, announcing the Company's financial results for the quarter and ended March 31, 2012.
2.	Report on Form 8-K, dated May 15, 2012, announcing the results of the submission of matters to a vote of security holders.
3.	Report on Form 8-K, dated June 7, 2012, announcing the declaration of a quarterly cash dividend.

No other information is required to be filed under Part II of the form.

18

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned thereunto duly authorized.

		HEARTLAND EXPRESS, INC.
Date:	August 8, 2012	By: /s/ John P. Cosaert
		John P. Cosaert
		Executive Vice President of Finance
		and Chief Financial Officer
		(Principal Accounting and Financial Officer)

19

EX-31.1

Exhibit No. 31.1

Certification

I, Michael J. Gerdin, certify that:

1.	I have reviewed this quarterly report on Form 10-Q of Heartland Express Inc. (the “Registrant”);
2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;
3.	Based on my knowledge, the financial statements and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this quarterly report;
4.	The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rule 13a-15(f) and 15d-15(f)) for the Registrant and we have:
	a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;
	b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	c)	Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this quarterly report based on such evaluation; and
	d)	Disclosed in this quarterly report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant's fourth fiscal quarter in case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and
5.	The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s independent registered public accounting firm and the audit committee of Registrant’s board of directors (or persons performing the equivalent functions):
	a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and
	b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:	August 8, 2012	By:	/s/ Michael J. Gerdin
			Michael J. Gerdin
			Chairman, President and Chief Executive Officer
			(Principal Executive Officer)

EX-31.2

Exhibit No. 31.2

Certification

I, John P. Cosaert, certify that:

1.	I have reviewed this quarterly report on Form 10-Q of Heartland Express Inc. (the “Registrant”);
2.	Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;
3.	Based on my knowledge, the financial statements and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this quarterly report;
4.	The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rule 13a-15(f) and 15d-15(f)) for the Registrant and we have:
	a)	Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;
	b)	Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
	c)	Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this quarterly report based on such evaluation; and
	d)	Disclosed in this quarterly report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant's fourth fiscal quarter in case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and
5.	The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s independent registered public accounting firm and the audit committee of Registrant’s board of directors (or persons performing the equivalent functions):
	a)	All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and
	b)	Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:	August 8, 2012	By:	/s/ John P. Cosaert
			John P. Cosaert
			Executive Vice President-Finance
			Treasurer and Chief Financial Officer
			(Principal Accounting and Financial Officer)

EX-32.1

Exhibit No. 32.1

CERTIFICATION OF

PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Heartland Express, Inc. (the "Company"), on Form 10-Q for the period ended June 30, 2012 (the "Report"), filed with the Securities and Exchange Commission, I, Michael J. Gerdin, Chairman, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:
1.	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and
2.	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 8, 2012	By:	/s/ Michael J. Gerdin
			Michael J. Gerdin
			Chairman, President and Chief Executive Officer

EX-32.2

Exhibit No. 32.2

CERTIFICATION OF

PRINCIPAL FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Heartland Express, Inc. (the "Company"), on Form 10-Q for the period ended June 30, 2012 (the "Report"), filed with the Securities and Exchange Commission, I, John P. Cosaert, Executive Vice President, Treasurer-Finance and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:
1.	The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and
2.	The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 8, 2012	By:	/s/ John P. Cosaert
			John P. Cosaert
			Executive Vice President-Finance, Treasurer
			and Chief Financial Officer

XML

Stock-Based Compensation (Details) (USD $)	3 Months Ended	6 Months Ended		12 Months Ended	54 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011 years	May 31, 2016 years	Jul. 11, 2011
Share-based Compensation Arrangement by Share-based Payment Award
Stock-based Compensation	$ (700,000)	$ (1,631,000)	$ 0
Restricted Stock Shares Authorized						900,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 3,000,000	$ 3,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 13.57	$ 13.57		$ 13.57
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Unvested at beginning of year, Number of Restricted Stock Awards (in shares)		351,000
Unvested at beginning of year, Weighted Average Grant Date Fair Value (in dollars)		$ 13.57			$ 13.57
Stock Issued During Period, Shares, Restricted Stock Award, Gross		0		351,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		(70,000)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value		$ 0.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value	$ 0.00	$ 0.00
Outstanding (unvested) at end of year, Number of Restricted Stock Awards (in shares)	281,000	281,000		351,000
Outstanding (unvested) at end of year, Weighted Average Grant Date Fair Value (in dollars)	$ 13.57	$ 13.57		$ 13.57
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (in years)				1.8	4.5

XML

Basis of Presentation Changes in accounting presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
New Accounting Pronouncements or Change in Accounting Principle
Other comprehensive income	$ 1,797	$ 0	$ 1,797	$ 0
Accumulated Other Comprehensive Loss
New Accounting Pronouncements or Change in Accounting Principle
Other comprehensive income			$ 1,797

XML

Use of Estimates

6 Months Ended

Jun. 30, 2012

Use of Estimates [Abstract]

Significant Accounting Policies [Text Block]

Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates. There were no significant changes in estimates and assumptions used by management related to our critical accounting policies during the six months ended June 30, 2012.

XML

Property, Equipment, and Depreciation (Details) (USD $)	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Communications and Utilities Expense [Member]	Jun. 30, 2012 Communications and Utilities Expense [Member]	Jun. 30, 2012 Tractors [Member]	Jun. 30, 2012 Trailers [Member]
Property, Plant and Equipment
Amortization Period of Tires	2 years
Depreciation			$ 200,000	$ 331,000
Percentage of Tractor Fleet Depreciated at 150 Percent	100.00%	84.60%
Property, Plant, and Equipment, Salvage Value					$ 15,000	$ 4,000

XML

Investments and Fair Value Measurements (Details) (USD $)	3 Months Ended		6 Months Ended		52 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 days	Jun. 30, 2011	Jun. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities
Basis of Tested Impact on Securities	0.50%		0.50%		0.50%
Held-to-maturity Securities	$ 1,300,000		$ 1,300,000		$ 1,300,000	$ 1,300,000
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis [Abstract]
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value	0		0		0
Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Basis	0		0		0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value	0		0		0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Basis	0		0		0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value	0		0		0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis	0		0		0
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	21,041,000		21,041,000		21,041,000
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis	22,325,000		22,325,000		22,325,000
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair value, beginning of period			50,569,000	88,694,000
Settlements			(31,325,000)	(21,650,000)
Purchases			0	0
Issuances			0	0
Sales			0	0
Transfers in to (out of) Level 3			0	0
Total gains or losses (realized/unrealized) included in earnings			0	0
Total gains or losses (realized/unrealized) included in other comprehensive loss, net of tax			1,797,000	0
Fair value, end of period	21,041,000	67,044,000	21,041,000	67,044,000	21,041,000
Auction Rate Securities, Debt, Rate Setting Interval (in days)			35
Percent of portfolio with AAA credit rating	100.00%		100.00%		100.00%
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(1,300,000)		(1,300,000)		(1,300,000)
Other comprehensive income	1,797,000	0	1,797,000	0
Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds			0	0
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities			31,300,000		176,100,000
Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Investment Inputs Average Life of Underlying Loans	2		2		2	2
Investment Inputs Rate of Return	0.53%		0.53%		0.53%	0.68%
Investment Inputs Discount Rate	0.36%		0.36%		0.36%	0.48%
Investment Inputs Liquidity Discount Rate	0.30%		0.30%		0.30%	0.55%
Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Investment Inputs Average Life of Underlying Loans	12		12		12	12
Investment Inputs Rate of Return	3.09%		3.09%		3.09%	2.92%
Investment Inputs Discount Rate	1.15%		1.15%		1.15%	1.14%
Investment Inputs Liquidity Discount Rate	1.05%		1.05%		1.05%	1.16%
Available-for-sale Securities [Member]
Amortized Cost and Fair Value of Investments
Amortized Cost	22,325,000		22,325,000		22,325,000
Fair Value	21,041,000		21,041,000		21,041,000
Auction rate student loan educational bonds long-term
Amortized Cost and Fair Value of Investments
Amortized Cost	22,325,000		22,325,000		22,325,000	53,650,000
Gross Unrealized Gains	0		0		0	0
Gross Unrealized Losses	1,284,000		1,284,000		1,284,000	3,081,000
Fair Value	$ 21,041,000		$ 21,041,000		$ 21,041,000	$ 50,569,000

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Earnings per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 18,227	$ 22,532	$ 34,816	$ 37,412
Weighted Average Number of Shares Outstanding, Basic	86,451	90,689	86,463	90,689
Earnings Per Share, Basic	$ 0.21	$ 0.25	$ 0.40	$ 0.41
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units	0		0
Incremental Common Shares Attributable to Share-based Payment Arrangements	328		339
Net Income (Loss) Available to Common Stockholders, Diluted	$ 18,227		$ 34,816
Weighted Average Number of Shares Outstanding, Diluted	86,779	90,689	86,802	90,689
Earnings Per Share, Diluted	$ 0.21	$ 0.25	$ 0.40	$ 0.41

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Equity (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	1 Months Ended	6 Months Ended
	Aug. 08, 2012	Jun. 30, 2012	Jun. 30, 2011	Mar. 31, 2012	Feb. 10, 2012	Dec. 31, 2011
Common Stock Repurchase Authorized
Stock Repurchase Shares Authorized	4.0	4.6		5.0		2.2
Share repurchase authorization increase					2.8
Treasury Stock, Shares, Acquired	0.7	0.4
Treasury stock acquired in accounts payable		$ 1,969	$ 0

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Basis of Presentation

6 Months Ended

Jun. 30, 2012

Basis of Presentation [Abstract]

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

Basis of Presentation

The accompanying consolidated financial statements include the parent company, Heartland Express, Inc., and its subsidiaries, all of which are wholly owned. All material intercompany items and transactions have been eliminated in consolidation. The accompanying unaudited consolidated financial statements of Heartland Express, Inc. and subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all normal, recurring adjustments considered necessary for a fair presentation have been included. The consolidated financial statements should be read in conjunction with the audited consolidated financial statements and accompanying notes for the year ended December 31, 2011 included in the Annual Report on Form 10-K of the Company filed with the Securities and Exchange Commission on February 28, 2012. Interim results of operations are not necessarily indicative of the results to be expected for the full year or any other interim periods. There were no changes to the Company's significant accounting policies during the six month period ended June 30, 2012 other than detailed in the Recently Adopted Accounting Pronouncements below.

Recently Adopted Accounting Pronouncements

In June 2011, the Financial Accounting Standards Board ("FASB") issued new accounting guidance which revises the manner in which companies present comprehensive income in their financial statements. The new guidance removes the presentation options previously allowed and requires companies to report components of comprehensive income as part of the consolidated statement of income or as a separate consolidated statement of comprehensive income. The revised guidance did not change the items that must be reported in other comprehensive income. The guidance was effective for the Company on January 1, 2012. Comprehensive income consists of net income and other comprehensive income (loss). Other comprehensive income (loss) refers to revenues, expenses, gains and losses that are not included in net income, but rather are recorded directly in stockholders' equity. The Company adopted this guidance on January 1, 2012. During the three months and six months ended June 30, 2012 and 2011 there was $1.8 million of income recorded directly in stockholders' equity related to an unrealized gain on available for sale securities due to the reversal of a previously recorded reserve to adjust certain investments to estimated fair value. During the three and six months ended June 30, 2011 there were no amounts recorded directly in stockholders' equity and therefore there was no difference between net income and comprehensive income for these two respective periods.

In September 2011 the FASB issued amendments to the guidance on testing goodwill for impairment. The new guidance provides an entity the option to first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If an entity determines that this is the case, it is required to perform the currently prescribed two-step goodwill impairment test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized for the reporting unit (if any). If an entity determines that the fair value of a reporting unit is greater than its carrying amount, the two-step goodwill impairment test is not required. Annual impairment tests are performed by the Company in the third quarter of each year. The adoption of this updated authoritative guidance is not expected to have an impact on the consolidated financial statements.

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Equity Dividends Paid (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Stockholders' Equity Attributable to Parent [Abstract]
Payments of Dividends	$ 1.7	$ 1.8	$ 3.5	$ 3.6

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 210,739	$ 139,770
Trade receivables, net	49,825	44,198
Prepaid tires	9,538	12,820
Other current assets	5,673	1,932
Income tax receivable	1,726	314
Deferred income taxes, net	13,532	14,401
Total current assets	291,033	213,435
PROPERTY AND EQUIPMENT
Land and land improvements	17,451	17,451
Buildings	26,761	26,761
Furniture and fixtures	2,269	2,269
Shop and service equipment	7,267	7,324
Revenue equipment	349,107	355,905
Property, Plant and Equipment, Gross	402,855	409,710
Less accumulated depreciation	176,325	161,269
Property and equipment, net	226,530	248,441
LONG-TERM INVESTMENTS	21,041	50,569
GOODWILL	4,815	4,815
OTHER ASSETS	8,303	8,406
Assets	551,722	525,666
CURRENT LIABILITIES
Accounts payable and accrued liabilities	12,561	9,088
Compensation and benefits	16,781	15,493
Insurance accruals	13,686	13,997
Other accruals	8,076	7,085
Total current liabilities	51,104	45,663
LONG-TERM LIABILITIES
Income taxes payable	21,267	24,077
Deferred income taxes, net	52,291	57,661
Insurance accruals less current portion	56,502	57,494
Total long-term liabilities	130,060	139,232
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY
Preferred stock, par value $.01; authorized 5,000 shares; none issued	0	0
Capital stock, common, $.01 par value; authorized 395,000 shares; issued 90,689 in 2012 and 2011, outstanding, 86,475 in 2012 and 2011, respectively	907	907
Additional paid-in capital	2,220	589
Retained earnings	430,049	398,706
Treasury stock, at cost; 4,214 shares in 2012 and 2011	(61,334)	(56,350)
Accumulated other comprehensive loss	(1,284)	(3,081)
Stockholders' Equity Attributable to Parent	370,558	340,771
Liabilities and Stockholders' Equity	$ 551,722	$ 525,666

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Consolidated Statement of Stockholders' Equity Parentheticals (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Dividends declared per share	$ 0.02	$ 0.02	$ 0.04	$ 0.04

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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 31, 2012
Purchase Commitment, Excluding Long-term Commitment
Unrecorded Unconditional Purchase Obligation	$ 12.2

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Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

	Six months ended June 30, 2012
	Net Income (numerator) (in thousands)	Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	34,816	86,463	$	0.40
Effect of restricted stock	—	339
Diluted EPS	34,816	86,802	$	0.40

A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS")) for the three months and six months ended June 30, 2012 is as follows (in thousands, except per share data):

	Three months ended June 30, 2012
	Net Income (numerator) (in thousands)		Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	$	18,227	86,451	$	0.21
Effect of restricted stock	—		328
Diluted EPS	$	18,227	86,779	$	0.21

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Subsequent Events (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	6 Months Ended
	Aug. 08, 2012	Jun. 30, 2012	Jun. 30, 2011
Subsequent Event
Treasury Stock, Shares, Acquired	700,000	400,000
Payments for Repurchase of Common Stock		$ 3,015	$ 0
Repurchase of Equity [Member]
Subsequent Event
Treasury Stock, Shares, Acquired	690,906
Payments for Repurchase of Common Stock	9,500

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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Tax Disclosure [Abstract]

Reconciliation of Unrecognized Tax Benefits [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	(in thousands)
Balance at December 31, 2011	$	16,062
Additions based on tax positions related to current year	558
Additions for tax positions of prior years	390
Reductions for tax positions of prior years	(70		)
Reductions due to lapse of applicable statute of limitations	(2,426		)
Settlements	—
Balance at June 30, 2012	$	14,514

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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
OPERATING ACTIVITIES
Net income	$ 34,816	$ 37,412
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	28,266	26,360
Deferred income taxes	(4,501)	9,533
Amortization of stock-based compensation	1,631	0
Gain on disposal of property and equipment	(7,760)	(15,530)
Changes in certain working capital items:
Trade receivables	(5,627)	(5,268)
Prepaid expenses and other current assets	(1,294)	(9,508)
Accounts payable, accrued liabilities, and accrued expenses	2,361	1,850
Accrued income taxes	(4,222)	(3,070)
Net cash provided by operating activities	43,670	41,779
INVESTING ACTIVITIES
Proceeds from sale of property and equipment	14,656	30,893
Purchases of property and equipment	(14,032)	(60,742)
Maturity and calls of investments	31,325	21,650
Change in other assets	103	(1,469)
Net cash provided by (used in) investing activities	32,052	(9,668)
FINANCING ACTIVITIES
Cash dividends	(1,738)	(1,814)
Repurchases of common stock	(3,015)	0
Net cash used in financing activities	(4,753)	(1,814)
Net increase in cash and cash equivalents	70,969	30,297
CASH AND CASH EQUIVALENTS
Beginning of period	139,770	121,120
End of period	210,739	151,417
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for income taxes, net of refunds	24,743	11,131
Noncash investing and financing activities:
Purchased property and equipment in accounts payable	902	4,738
Common stock dividends declared in accounts payable	1,735	1,814
Treasury stock acquired in accounts payable	$ 1,969	$ 0

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Consolidated Balance Sheets Parentheticals (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000	5,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	395,000	395,000
Common Stock, Shares, Issued	90,689	90,689
Common Stock, Shares, Outstanding	86,181	86,475
Treasury Stock, Shares	4,508	4,214

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Income Taxes

6 Months Ended

Jun. 30, 2012

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

Income Taxes

Deferred income taxes are determined based upon the differences between the financial reporting and tax basis of the Company’s assets and liabilities.  Deferred taxes are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.

The Company recognizes the effect of income tax positions only if those positions are more likely than not of being sustained.  Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. Changes in recognition or measurement are reflected in the period in which the change in judgment occurs.  The Company records interest and penalties related to unrecognized tax benefits in income tax expense. The Company had recorded a valuation allowance of $0.4 million at June 30, 2012 and December 31, 2011 related to the Company’s deferred tax asset associated specifically with unrealized losses on auction rate securities. This valuation allowance was recorded as the Company does not have historical capital gains nor does it expect to generate capital gains sufficient to utilize the entire deferred tax asset generated by the fair value adjustment.  As the fair value adjustment was recorded through accumulated other comprehensive loss, the associated valuation allowance was also recorded through accumulated other comprehensive loss.  The above mentioned allowance did not impact the consolidated statement of comprehensive income for the three and six months ended June 30, 2012 and 2011.  The Company has not recorded a valuation allowance against any other deferred tax assets.  In management’s opinion, it is more likely than not that the Company will be able to utilize these deferred tax assets in future periods as a result of the Company’s history of profitability, taxable income, and reversal of deferred tax liabilities.

At June 30, 2012 and December 31, 2011, the Company had a total of $14.5 million and $16.1 million in gross unrecognized tax benefits, respectively.  Of this amount, $9.3 million and $10.3 million represents the amount of unrecognized tax benefits that, if recognized, would impact our effective tax rate as of June 30, 2012 and December 31, 2011.  Unrecognized tax benefits were a net decrease of $0.7 million and $1.6 million during the three months ended June 30, 2012 and June 30, 2011. Unrecognized tax benefits were a net decrease of $1.5 million and $2.7 million during the six months ended June 30, 2012 and 2011, due mainly to the expiration of certain statutes of limitation net of additions.  These decreases had the effect of reducing the effective state tax rate during these respective periods.

The total net amount of accrued interest and penalties for such unrecognized tax benefits was $6.8 million and $8.0 million at June 30, 2012 and December 31, 2011 and is included in income taxes payable on the consolidated balance sheet.  Net interest and penalties included in income tax expense for the three months ended June 30, 2012 and June 30, 2011 was a benefit of approximately $0.4 million and $0.8 million, respectively. Net interest and penalties included in income tax expense for the six months ended June 30, 2012 and 2011 was a benefit of approximately $1.3 million and $1.5 million, respectively. Income tax expense is increased each period for the accrual of interest on outstanding positions and penalties when the uncertain tax position is initially recorded. Income tax expense is reduced in periods by the amount of accrued interest and penalties associated with reversed uncertain tax positions due to lapse of applicable statute of limitations, when applicable. Income tax expense was reduced during the three and six month periods ended June 30, 2012 and 2011 due to reversals of interest and penalties due to lapse of applicable statute of limitations net of additions for interest and penalty accruals during the same period. These unrecognized tax benefits relate to risks associated with state income tax filing positions for the Company’s corporate subsidiaries.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	(in thousands)
Balance at December 31, 2011	$	16,062
Additions based on tax positions related to current year	558
Additions for tax positions of prior years	390
Reductions for tax positions of prior years	(70		)
Reductions due to lapse of applicable statute of limitations	(2,426		)
Settlements	—
Balance at June 30, 2012	$	14,514

A number of years may elapse before an uncertain tax position is audited and ultimately settled. It is difficult to predict the ultimate outcome or the timing of resolution for uncertain tax positions. It is reasonably possible that the amount of unrecognized tax benefits could significantly increase or decrease within the next twelve months. These changes could result from the expiration of the statute of limitations, examinations or other unforeseen circumstances. As of June 30, 2012, the Company is under examinations by four state agencies. The Company was also under an examination with the IRS regarding the Company's federal tax return for 2009 which was settled during July 2012 for an immaterial amount. The Company does not have any outstanding litigation related to tax matters.  At this time, management’s best estimate of the reasonably possible change in the amount of gross unrecognized tax benefits to be a decrease of approximately $0.5 million to $1.5 million during the next twelve months mainly due to the expiration of certain statute of limitations.  The federal statute of limitations remains open for the years 2009 and forward. Tax years 2002 and forward are subject to audit by state tax authorities depending on the tax code and administrative practice of each state.

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DEI Document	6 Months Ended
	Jun. 30, 2012	Aug. 08, 2012
Document Information [Line Items]
Entity Registrant Name	HEARTLAND EXPRESS INC
Entity Central Index Key	0000799233
Document Type	10-Q
Document Period End Date	Jun. 30, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		85,490,188

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

Commitments and Contingencies

The Company is a party to ordinary, routine litigation and administrative proceedings incidental to its business. In the opinion of management, the Company’s potential exposure under pending legal proceedings is adequately provided for in the accompanying consolidated financial statements.  

The total estimated purchase commitments for trailer equipment and amounts due on equipment received, but not paid for, at June 30, 2012, was $12.2 million.

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Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Operating Revenue	$ 139,710	$ 137,192	$ 274,543	$ 264,884
Operating Expenses
Salaries, wages, and benefits	42,962	41,728	84,958	83,929
Rent and purchased transportation	1,596	1,998	3,257	3,936
Fuel	41,111	42,308	83,816	81,455
Operations and maintenance	6,251	6,150	11,903	11,246
Operating taxes and licenses	2,248	2,244	4,323	4,552
Insurance and claims	3,952	3,958	6,466	6,452
Communications and utilities	746	728	1,493	1,371
Depreciation	13,995	13,664	27,934	26,042
Other operating expenses	3,647	3,389	7,626	6,872
Gain on disposal of property and equipment	(3,546)	(11,662)	(7,760)	(15,530)
Total operating expenses	112,962	104,505	224,016	210,325
Operating income	26,748	32,687	50,527	54,559
Interest income	167	208	309	446
Income before income taxes	26,915	32,895	50,836	55,005
Federal and state income taxes	8,688	10,363	16,020	17,593
Net income	18,227	22,532	34,816	37,412
Other comprehensive income	1,797	0	1,797	0
Comprehensive Income	$ 20,024	$ 22,532	$ 36,613	$ 37,412
Earnings per share
Basic	$ 0.21	$ 0.25	$ 0.40	$ 0.41
Diluted	$ 0.21	$ 0.25	$ 0.40	$ 0.41
Weighted average shares outstanding
Basic	86,451	90,689	86,463	90,689
Diluted	86,779	90,689	86,802	90,689
Dividends declared per share	$ 0.02	$ 0.02	$ 0.04	$ 0.04

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Investments and Fair Value Measurements

6 Months Ended

Jun. 30, 2012

Equity Method Investments Disclosure [Abstract]

Fair Value Disclosures [Text Block]

Investments and Fair Value Measurements

All of the Company’s long-term investment balances at June 30, 2012 and December 31, 2011 were invested in tax free, auction rate student ("ARS") loan educational bonds that are classified as available-for-sale.  The investments typically have an interest reset provision of 35 days with contractual maturities that currently range from June 1, 2034 to May 1, 2040.  At the reset date, the Company has the option to roll the investments and reset the interest rate or sell the investments in an auction. The Company receives the par value of the investment plus accrued interest on the reset date if the underlying investment is sold. As of June 30, 2012, 100% of ARS holdings, at par, were backed by the U.S. government and held AAA (or equivalent) ratings from recognized rating agencies.  

Municipal bonds are classified as held to maturity, are carried at amortized cost and are included in other assets per the consolidated balance sheet and were $1.3 million at June 30, 2012 and December 31, 2011. Differences between amortized cost and fair value of municipal bonds are not considered material. Auction rate securities are classified as available-for-sale and therefore are carried at fair value as estimated using Level 3 fair value inputs. The amortized cost and fair value of available-for-sale investments at June 30, 2012 and December 31, 2011 were as follows:

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	( in thousands)
June 30, 2012
Long-term:
Auction rate student loan educational bonds	$	22,325	$	—	$	1,284	$	21,041

December 31, 2011
Long-term:
Auction rate student loan educational bonds	$	53,650	$	—	$	3,081	$	50,569

The contractual maturities and announced calls of available-for-sale securities at June 30, 2012 are detailed in the table below. The table is prepared based on information known to management as of June 30, 2012. As management receives intents to call from issuers, the associated securities are changed from their contractual maturities to the date received in the respective call notice.

	Fair Value		Amortized Cost
Due within one year	$	—	$	—
Due after one year through five years	—		—
Due after five years through ten years	—		—
Due after ten years through May 1, 2040	21,041		22,325
	$	21,041	$	22,325

Estimated fair value of all auction rate security investments as of June 30, 2012 and December 31, 2011 was calculated using unobservable, Level 3 inputs, due to the lack of observable market inputs specifically related to student loan ARS as a result of auction failures beginning in February 2008.  The fair value of these investments as of the June 30, 2012 and December 31, 2011 measurement dates could not be determined with precision based on lack of observable market data and could vary significantly in future measurement periods.

The Company performs an internal cash flow analysis on an individual investment basis to estimate fair value of ARS using inputs determined based on management's understanding of market conditions as well as information derived from other publicly available third party sources. The Company also obtains estimated fair value of ARS from third party financial advisors. The Company obtains an understanding of assumptions in models used by third party financial institutions to estimate fair value. All of this information is considered when determining the estimated fair value of these instruments as recorded in the consolidated financial statements. The Company has analyzed the potential impact of a 50 basis point change to the rate of return, discount rate, and liquidity discount rate noting that this would not materially impact the recorded fair value.

The table below shows the inputs in the Company's cash flow models as of June 30, 2012 for the remaining ARS investments compared to the inputs used in cash flow models as of December 31, 2011. Inputs used in Company models of all securities held as of June 30, 2012 and December 31, 2011, excluding investments whose fair value is estimated to be par value as of the reporting period due to call notices being received by the Company were as follows:

	June 30, 2012	December 31, 2011
Average life of underlying loans	2-12 years	2-12 years
Rate of return	0.53-3.09%	0.68-2.92%
Discount rate	0.36-1.15%	0.48-1.14%
Liquidity discount rate	0.30-1.05%	0.55-1.16%

The unrealized loss of $1.3 million on ARS is recorded as accumulated other comprehensive loss.  During the three month period ended June 30, 2012 the Company recorded unrealized gains of $1.8 million due to the reversal of prior period recorded unrealized losses as the Company received $31.3 million in calls, at par, during the three months ended June 30, 2012. There were not any realized gains or losses related to these investments for the three month and six month periods ended June 30, 2012 and 2011. The Company can not currently project when liquidity will be obtained from these investments and plans to continue to hold such securities until the securities are called, redeemed, or resecuritized by the debt issuers.

The Company has evaluated the unrealized loss on these securities to determine whether the decline in fair value is other than temporary. Management has concluded the decline in fair value to be temporary based on the following considerations.

• Since auction failures began in February 2008, the Company has received approximately $176.1 million as the result of calls by issuers.   The Company received par value for the amount of these calls plus accrued interest. There have not been any defaults on scheduled interest payments.

• Based on the Company's financial operating results, current cash balances, operating cash flows and debt free balance sheet, the Company does not have the intent to sell such securities at a discount and it is not more likely than not to be required to sell the securities before they recover their value. 

• There have not been any significant changes in collateralization and ratings of the underlying securities since the first failed auction.  All of the Company's auction rate security portfolio, as of June 30, 2012, is in senior positions of AAA (or equivalent) rated securities that are backed by the U.S. government.

• The Company is aware of recent increases in default rates of the underlying student loans that are the assets to the trusts issuing the auction rate security debt, which management believes is due to current overall negative economic conditions.  As the underlying loans are guaranteed by the U.S. Government, defaults of the loans accelerate payment of the underlying loan to the trust.  As trusts are no longer recycling repayment money for new loans, accelerated repayment of any student loan to the underlying trust would increase cash flows of the trust which would potentially result in partial calls by the underlying trusts.

• As trusts are no longer recycling underlying loan repayment money for new loans, excess funds are being used to pay down debt of the trust therefore potentially resulting in partial calls of securities held by the Company prior to contractual maturities.

• The Company is aware of recent transactions taking place in secondary markets as well as tender offers for ARS at sub par pricing. At this time, the Company does not intend to tender any holdings at sub par pricing. As ARS debt holders tender ARS debt back to trusts at sub par pricing, the overall equity of the trusts is strengthened.

• Current market activity and the lack of severity or extended decline do not warrant such action at this time.

Management will monitor its investments and ongoing market conditions in future periods to assess impairments considered to be other than temporary. Should fair value continue to remain below cost or decrease significantly from current levels due to credit related issues, the Company may be required to record an other than temporary impairment of these investments, through a charge in the consolidated statement of income although the factors currently do not warrant such a charge.

The table below presents a rollforward for all assets and liabilities, measured at fair value, on a recurring basis using significant unobservable inputs (Level 3) during the six months ended June 30, 2012 and 2011.

	Available-for-sale debt securities
	(in thousands)
	2012			2011
Balance, January 1	$	50,569		$	88,694
Settlements	(31,325		)	(21,650		)
Purchases	—			—
Issuances	—			—
Sales	—			—
Transfers in to (out of) Level 3	—			—
Total gains or losses (realized/unrealized):
Included in earnings	—			—
Included in other comprehensive loss, net of tax	1,797			—
Balance, June 30,	$	21,041		$	67,044

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Cash and Cash Equivalents

6 Months Ended

Jun. 30, 2012

Cash and Cash Equivalents [Abstract]

Cash and Cash Equivalents Disclosure [Text Block]

Cash and Cash Equivalents

Cash equivalents are short-term, highly liquid investments with insignificant interest rate risk and original maturities of three months or less at acquisition. Restricted and designated cash and investments totaling $8.3 million at June 30, 2012 and $8.4 million at December 31, 2011 are included in other non-current assets per the consolidated balance sheet.  The restricted funds represent deposits required by state agencies for self-insurance purposes and designated funds that are earmarked for a specific purpose and not for general business use.

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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

The following table summarizes the Company's restricted stock award activity for the three and six months ended June 30, 2012. There were no restricted stock awards granted, vested or forfeited during the three months ended March 31, 2012. The vesting date for all awards vested in 2012 was June 1, 2012. There were no restricted stock awards granted or outstanding during the three and six months ended June 30, 2011.

	2012
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of year	351		$	13.57
Granted	—		$	—
Vested	(70	)	$	—
Forfeited	—		$	—
Outstanding (unvested) at end of period	281		$	13.57

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Subsequent Events

6 Months Ended

Jun. 30, 2012

Subsequent Events [Abstract]

Subsequent Events [Text Block]

Subsequent Events

The Company has evaluated events occurring subsequent to June 30, 2012 through the filing date of this Quarterly Report on Form 10-Q for disclosure. Subsequent to June 30, 2012 the Company repurchased 690,906 shares of common stock for $9.5 million.

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Equity

6 Months Ended

Jun. 30, 2012

Share Repurchases [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

Equity

In September, 2001, the Board of Directors of the Company authorized a program to repurchase the Company’s common stock in open market or negotiated transactions using available cash, cash equivalents and investments.   As of December 31, 2011 there were approximately 2.2 million shares remaining authorized for repurchase under a repurchase program. During February 2012, the Board of Directors increased the shares authorized for repurchase from the amount available to repurchase by approximately 2.8 million shares to a total of 5.0 million shares. There were 0.4 million shares repurchased during the three and six months ended June 30, 2012. As of June 30, 2012 the total shares authorized for repurchase is 4.6 million shares and does not have an expiration date. As of June 30, 2012 the Company owed $2.0 million in settlements on stock repurchases prior to June 30, 2012 which is included in accounts payable at June 30, 2012 and subsequently paid in July 2012.

Subsequent to June 30, 2012 the Company repurchased 0.7 million shares further reducing the authorized shares for repurchase to 3.96 million. The specific timing and amount of repurchases will be determined by market conditions, cash flow requirements, securities law limitations, and other factors. Repurchases will continue from time to time, as conditions permit, until the number of shares authorized to be repurchased have been bought, or until the authorization to repurchase is terminated, whichever occurs first. The share repurchase authorization is discretionary and has no expiration date. The repurchase program may be suspended, modified, or discontinued at any time.

During the three months ended June 30, 2012 and June 30, 2011 the Company's Board of Directors declared regular quarterly dividends totaling $1.7 million and $1.8 million, respectively. During the six months ended June 30, 2012 and 2011, the Company’s Board of Directors declared regular quarterly dividends totaling $3.5 million and $3.6 million, respectively.  The dividends declared during the three months ended June 30, 2012 and June 30, 2011 were paid subsequent to the quarter end for both respective periods and were included as part of accounts payable and accrued liabilities for each respective period. Future payment of cash dividends and the amount of such dividends will depend upon financial conditions, results of operations, cash requirements, tax treatment, and certain corporate law requirements, as well as factors deemed relevant by our Board of Directors.

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Property, Equipment, and Depreciation

6 Months Ended

Jun. 30, 2012

Property, Equipment and Depreciation [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

Property, Equipment, and Depreciation

Property and equipment are reported at cost, net of accumulated depreciation, while maintenance and repairs are charged to operations as incurred.   Tires are capitalized separately from revenue equipment and are reported separately as “Prepaid Tires” in the consolidated balance sheet and amortized over two years.  Depreciation expense of $0.2 million for the three months ended June 30, 2012 and 2011 has been included in communication and utilities in the consolidated statements of comprehensive income. Depreciation expense of $0.3 million for the six months ended June 30, 2012 and 2011 has been included in communications and utilities in the consolidated statements of comprehensive income. Depreciation for financial statement purposes is computed by the straight-line method for all assets other than tractors.  The Company recognizes depreciation expense on tractors acquired subsequent to January 1, 2009, at 150% declining balance. At June 30, 2012 and June 30, 2011100% and 84.6%, respectively of the Company's tractor fleet was depreciated based on the 150% declining balance method. Tractors are depreciated to salvage values of $15,000 while trailers are depreciated to salvage values of $4,000.

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Earnings per Share

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Earnings per Share

Basic earnings per share is based upon the weighted average common shares outstanding during each year.  Diluted earnings per share is based on the basic weighted earnings per share with additional weighted common shares for common stock equivalents. During the three and six months ended June 30, 2011 the Company did not have any common stock equivalents; therefore, diluted earnings per share were equal to basic earnings per share for those periods. During the three and six months ended June 30, 2012 the Company had grants of shares of common stock to certain employees of the Company under the 2011 Restricted Stock Award Plan. A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS")) for the three months and six months ended June 30, 2012 is as follows (in thousands, except per share data):

	Three months ended June 30, 2012
	Net Income (numerator) (in thousands)		Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	$	18,227	86,451	$	0.21
Effect of restricted stock	—		328
Diluted EPS	$	18,227	86,779	$	0.21

	Six months ended June 30, 2012
	Net Income (numerator) (in thousands)	Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	34,816	86,463	$	0.40
Effect of restricted stock	—	339
Diluted EPS	34,816	86,802	$	0.40

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Stock-Based Compensation

6 Months Ended

Jun. 30, 2012

Stock-Based Compensation [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

Stock-Based Compensation

The Heartland Express, Inc. 2011 Restricted Stock Award Plan (the "Plan") made available up to 0.9 million shares for the purpose of making restricted stock grants to eligible officers and employees of the Company. During December 2011, 0.4 million shares were granted to employees. These shares are service based awards beginning December 14, 2011 and 20% of the awards vest each June 1 through 2016. The first vesting period was June 1, 2012. Once vested, there are no other restrictions on the awards. Compensation expense associated with these awards is based on the market value of the Company's stock on the grant date. The Company's market closing price on December 14, 2011, grant date, was $13.57. There were no significant assumptions made in determining the fair value. Compensation expense associated with restricted stock awards is included in salaries, wages and benefits in the consolidated statements of comprehensive income. Compensation expense associated with restricted stock awards was $0.7 million and $1.6 million for the three and six months ended June 30, 2012 and unrecognized compensation expense was $3.0 million at June 30, 2012. Unrecognized compensation expense will be recognized over a weighted average period of 1.8 years from the grant date of December 14, 2011 and total period of 4.5 years.

The following table summarizes the Company's restricted stock award activity for the three and six months ended June 30, 2012. There were no restricted stock awards granted, vested or forfeited during the three months ended March 31, 2012. The vesting date for all awards vested in 2012 was June 1, 2012. There were no restricted stock awards granted or outstanding during the three and six months ended June 30, 2011.

	2012
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of year	351		$	13.57
Granted	—		$	—
Vested	(70	)	$	—
Forfeited	—		$	—
Outstanding (unvested) at end of period	281		$	13.57

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Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income Tax Contingency
PortionOfTaxBenefitRecordedPositionsMoreLikelyThanNotToBeSustained			50.00%
Income Tax Uncertainties [Abstract]
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 9,300,000		$ 9,300,000		$ 10,300,000
Unrecognized Tax Benefits, Period Increase (Decrease)	(700,000)	(1,600,000)	(1,500,000)	(2,700,000)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	6,800,000		6,800,000		8,000,000
Unrecognized tax benefits, reversal of income tax penalties and interest expense	400,000	800,000	1,300,000	1,500,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	500,000		500,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	1,500,000		1,500,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance beginning of period			16,062,000
Additions based on tax positions related to current year			558,000
Additions for tax positions of prior years			390,000
Reductions for tax positions of prior years			(70,000)
Reductions due to lapse of applicable statute of limitations			(2,426,000)
Settlements			0
Balance end of period	14,514,000		14,514,000
Valuation Allowance [Abstract]
Valuation Allowance, Amount	$ 400,000		$ 400,000

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Investments and Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2012

Investments and Fair Value Measurements [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

The amortized cost and fair value of available-for-sale investments at June 30, 2012 and December 31, 2011 were as follows:

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	( in thousands)
June 30, 2012
Long-term:
Auction rate student loan educational bonds	$	22,325	$	—	$	1,284	$	21,041

December 31, 2011
Long-term:
Auction rate student loan educational bonds	$	53,650	$	—	$	3,081	$	50,569

Investments Classified by Contractual Maturity Date [Table Text Block]

The contractual maturities and announced calls of available-for-sale securities at June 30, 2012 are detailed in the table below. The table is prepared based on information known to management as of June 30, 2012. As management receives intents to call from issuers, the associated securities are changed from their contractual maturities to the date received in the respective call notice.

	Fair Value		Amortized Cost
Due within one year	$	—	$	—
Due after one year through five years	—		—
Due after five years through ten years	—		—
Due after ten years through May 1, 2040	21,041		22,325
	$	21,041	$	22,325

Schedule of Inputs Used in Securities Models [Table Text Block]

Inputs used in Company models of all securities held as of June 30, 2012 and December 31, 2011, excluding investments whose fair value is estimated to be par value as of the reporting period due to call notices being received by the Company were as follows:

	June 30, 2012	December 31, 2011
Average life of underlying loans	2-12 years	2-12 years
Rate of return	0.53-3.09%	0.68-2.92%
Discount rate	0.36-1.15%	0.48-1.14%
Liquidity discount rate	0.30-1.05%	0.55-1.16%

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The table below presents a rollforward for all assets and liabilities, measured at fair value, on a recurring basis using significant unobservable inputs (Level 3) during the six months ended June 30, 2012 and 2011.

	Available-for-sale debt securities
	(in thousands)
	2012			2011
Balance, January 1	$	50,569		$	88,694
Settlements	(31,325		)	(21,650		)
Purchases	—			—
Issuances	—			—
Sales	—			—
Transfers in to (out of) Level 3	—			—
Total gains or losses (realized/unrealized):
Included in earnings	—			—
Included in other comprehensive loss, net of tax	1,797			—
Balance, June 30,	$	21,041		$	67,044

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Segment Information (Details)	Jun. 30, 2012 divisions locations segments
Segment Information [Abstract]
Numer of Segments	1
Number of Office Locations	10
Number of Regional Operating Divisions	11

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Consolidated Statement of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Capital Stock, Common	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2011	$ 340,771	$ 907	$ 589	$ 398,706	$ (56,350)	$ (3,081)
Comprehensive income:
Net income	34,816	0	0	34,816	0	0
Other comprehensive income	1,797	0	0	0	0	1,797
Dividends on common stock	(3,473)	0	0	(3,473)	0	0
Stock-based Compensation	1,631	0	1,631	0	0	0
Repurchases of common stock	(4,984)	0	0	0	(4,984)	0
Balance at Jun. 30, 2012	$ 370,558	$ 907	$ 2,220	$ 430,049	$ (61,334)	$ (1,284)

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Segment Information

6 Months Ended

Jun. 30, 2012

Segment Information [Abstract]

Segment Reporting Disclosure [Text Block]

Segment Information

The Company has eleven regional operating divisions, in addition to operations at the Company's corporate headquarters; however, it has determined that it has one reportable segment. The operating divisions are operated out of our ten office locations including our corporate headquarters. All of the divisions are managed based on similar economic characteristics. Each of the regional operating divisions provides short-to-medium haul truckload carrier services of general commodities to a similar class of customers. In addition, each division exhibits similar financial performance, including average revenue per mile and operating ratio. As a result of the foregoing, the Company has determined that it is appropriate to aggregate its operating divisions into one reportable segment, consistent with the authoritative accounting guidance on disclosures about segments of an enterprise and related information. Accordingly, the Company has not presented separate segment financial information.

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Cash and Cash Equivalents (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash and Cash Equivalents	$ 8.3	$ 8.4

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2012

Basis of Presentation [Abstract]

Consolidation, Policy [Policy Text Block]

Basis of Presentation

The accompanying consolidated financial statements include the parent company, Heartland Express, Inc., and its subsidiaries, all of which are wholly owned. All material intercompany items and transactions have been eliminated in consolidation. The accompanying unaudited consolidated financial statements of Heartland Express, Inc. and subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all normal, recurring adjustments considered necessary for a fair presentation have been included. The consolidated financial statements should be read in conjunction with the audited consolidated financial statements and accompanying notes for the year ended December 31, 2011 included in the Annual Report on Form 10-K of the Company filed with the Securities and Exchange Commission on February 28, 2012. Interim results of operations are not necessarily indicative of the results to be expected for the full year or any other interim periods. There were no changes to the Company's significant accounting policies during the six month period ended June 30, 2012 other than detailed in the Recently Adopted Accounting Pronouncements below.

Use of Estimates, Policy [Policy Text Block]

Use of Estimates

The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates. There were no significant changes in estimates and assumptions used by management related to our critical accounting policies during the six months ended June 30, 2012.

Segment Reporting, Policy [Policy Text Block]

Segment Information

The Company has eleven regional operating divisions, in addition to operations at the Company's corporate headquarters; however, it has determined that it has one reportable segment. The operating divisions are operated out of our ten office locations including our corporate headquarters. All of the divisions are managed based on similar economic characteristics. Each of the regional operating divisions provides short-to-medium haul truckload carrier services of general commodities to a similar class of customers. In addition, each division exhibits similar financial performance, including average revenue per mile and operating ratio. As a result of the foregoing, the Company has determined that it is appropriate to aggregate its operating divisions into one reportable segment, consistent with the authoritative accounting guidance on disclosures about segments of an enterprise and related information. Accordingly, the Company has not presented separate segment financial information.

Marketable Securities, Held-to-maturity Securities, Policy [Policy Text Block]

Municipal bonds are classified as held to maturity, are carried at amortized cost and are included in other assets per the consolidated balance sheet and were $1.3 million at June 30, 2012 and December 31, 2011. Differences between amortized cost and fair value of municipal bonds are not considered material.

Property, Plant and Equipment, Policy [Policy Text Block]

Property, Equipment, and Depreciation

Property and equipment are reported at cost, net of accumulated depreciation, while maintenance and repairs are charged to operations as incurred.   Tires are capitalized separately from revenue equipment and are reported separately as “Prepaid Tires” in the consolidated balance sheet and amortized over two years.  Depreciation expense of $0.2 million for the three months ended June 30, 2012 and 2011 has been included in communication and utilities in the consolidated statements of comprehensive income. Depreciation expense of $0.3 million for the six months ended June 30, 2012 and 2011 has been included in communications and utilities in the consolidated statements of comprehensive income. Depreciation for financial statement purposes is computed by the straight-line method for all assets other than tractors.  The Company recognizes depreciation expense on tractors acquired subsequent to January 1, 2009, at 150% declining balance. At June 30, 2012 and June 30, 2011100% and 84.6%, respectively of the Company's tractor fleet was depreciated based on the 150% declining balance method. Tractors are depreciated to salvage values of $15,000 while trailers are depreciated to salvage values of $4,000.

Earnings Per Share, Policy [Policy Text Block]

Earnings per Share

Basic earnings per share is based upon the weighted average common shares outstanding during each year.  Diluted earnings per share is based on the basic weighted earnings per share with additional weighted common shares for common stock equivalents. During the three and six months ended June 30, 2011 the Company did not have any common stock equivalents; therefore, diluted earnings per share were equal to basic earnings per share for those periods. During the three and six months ended June 30, 2012 the Company had grants of shares of common stock to certain employees of the Company under the 2011 Restricted Stock Award Plan. A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS")) for the three months and six months ended June 30, 2012 is as follows (in thousands, except per share data):

	Three months ended June 30, 2012
	Net Income (numerator) (in thousands)		Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	$	18,227	86,451	$	0.21
Effect of restricted stock	—		328
Diluted EPS	$	18,227	86,779	$	0.21

	Six months ended June 30, 2012
	Net Income (numerator) (in thousands)	Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	34,816	86,463	$	0.40
Effect of restricted stock	—	339
Diluted EPS	34,816	86,802	$	0.40

Income Tax, Policy [Policy Text Block]

Income Taxes

Deferred income taxes are determined based upon the differences between the financial reporting and tax basis of the Company’s assets and liabilities.  Deferred taxes are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.

Income Tax Uncertainties, Policy [Policy Text Block]

The Company recognizes the effect of income tax positions only if those positions are more likely than not of being sustained.  Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. Changes in recognition or measurement are reflected in the period in which the change in judgment occurs.  The Company records interest and penalties related to unrecognized tax benefits in income tax expense.