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Basis of Presentation | 9 Months Ended
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Sep. 30, 2019
Basis of Presentation and Accounting Pronouncements [Abstract] |
Basis of Presentation and Significant Accounting Policies [Text Block] | Basis of Presentation and New Accounting Pronouncements Heartland Express, Inc. is a holding company incorporated in Nevada, which owns all of the stock of Heartland Express, Inc. of Iowa, Heartland Express Services, Inc., and Heartland Express Maintenance Services, Inc. Effective December 31, 2018, A & M Express, Inc. was merged into Heartland Express, Inc. of Iowa. On August 26, 2019, Heartland Express, Inc. of Iowa acquired Midwest Holding Group, Inc. and Millis Real Estate Leasing, LLC (together, "Millis Transfer"), a truckload carrier headquartered in Black River Falls, Wisconsin. As such, Millis Transfer is a wholly owned subsidiary as of September 30, 2019. We, together with our subsidiaries, are a short-to-medium haul truckload carrier (predominately 500 miles or less per load). We primarily provide nationwide asset-based dry van truckload service for major shippers from Washington to Florida and New England to California. The accompanying consolidated financial statements include the parent company, Heartland Express, Inc., and its subsidiaries, all of which are wholly owned. The consolidated financial results for the three and nine months ended September 30, 2019, include the results of Millis Transfer from the date of acquisition, August 26, 2019, through September 30, 2019. All material intercompany items and transactions have been eliminated in consolidation. The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") 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 notes to the financial statements required by U.S. GAAP 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, 2018 included in the Annual Report on Form 10-K of the Company filed with the Securities and Exchange Commission (the "SEC") on February 21, 2019. 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 nine month period ended September 30, 2019. In August 2018, the SEC adopted the final rule under SEC Release No. 33-10532, "Disclosure Update and Simplification", streamlining certain disclosure requirements to reduce redundant, duplicative, or outdated disclosures. In addition, the amendments expand disclosures related to interim-period changes in stockholders’ equity and noncontrolling interests. Management has adopted and presented the expanded disclosures related to interim-period changes in stockholders' equity beginning with the first quarter ended March 31, 2019 and interim periods from that point, along with the respective comparable periods. In January 2017, the Financial Accounting Standards Board ("FASB") issued ASU 2017-04, “Simplifying the Test for Goodwill Impairment,” which continues to require an entity to review goodwill for potential impairment, but eliminates or replaces additional tests and assessments within the prior guidance. The provisions of this update are effective for fiscal years beginning after December 15, 2019, with early adoption permitted for impairment measurement tests occurring after January 1, 2017. We have adopted the provisions of the standard as part of our 2019 annual impairment test completed in September 2019 and have determined that this change did not materially impact our 2019 assessment. In June 2016, the FASB issued ASU 2016-13, "Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments". This update requires measurement and recognition of expected versus incurred credit losses for financial assets held. ASU 2016-13 is effective for annual periods beginning after December 15, 2019, and interim periods therein. Based on our initial assessment, we believe the impact of adoption of the standard will not have a material impact on our financial statements when adopted in 2020. In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)". This update seeks to increase the transparency and comparability among entities by requiring public entities to recognize lease assets and lease liabilities on the balance sheet and disclose key information about leasing arrangements. To satisfy the standard’s objective, a lessee will recognize a right-of-use asset representing its right to use the underlying asset for the lease term and a lease liability for the obligation to make lease payments. Both the right-of-use asset and lease liability will initially be measured at the present value of the lease payments, with subsequent measurement dependent on the classification of the lease as either a finance or an operating lease. For leases with a term of twelve months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities. If a lessee makes this election, it should recognize lease expense for such leases generally on a straight-line basis over the lease term. In July 2018, the FASB issued ASU 2018-10, "Leases (Topic 842) - Codification Improvements" which contains several FASB Codification improvements for ASC Topic 842, including several implementation issues and ASU 2018-11, "Leases (Topic 842) - Targeted Improvements" which provides entities with an additional transition method for implementing ASC Topic 842. Entities have the option to apply the new standard at the adoption date, recognizing a cumulative-effect adjustment to the opening balance of retained earnings along with the modified retrospective approach previously identified, both of which include a number of practical expedients that companies may elect to apply. Under the cumulative-effect adjustment comparative periods would not be restated, and would instead be presented under the legacy ASC Topic 840 guidance. Under the modified retrospective approach leases are recognized and measured under the noted guidance at the beginning of the earliest period presented. The new standard is effective for public companies for annual periods beginning after December 15, 2018, and interim periods within those years, with early adoption permitted. We have adopted this guidance as of January 1, 2019 and the effect of the adoption was not material to our financial statements.

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- Definition The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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