Mobile Mini, Inc. - Organization and Description of Business	9 Months Ended
Sep. 30, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Mobile Mini, Inc. - Organization and Description of Business	(1) Mobile Mini, Inc. - Organization and Description of Business Mobile Mini, Inc., a Delaware corporation, is a leading provider of portable storage solutions and tank and pump solutions. In these notes, the terms “Mobile Mini” the “Company,” “we,” “us,” and “our” refer to Mobile Mini, Inc. At September 30, 2018, we had a fleet of storage solutions units operating throughout the United States (the “U.S.”), Canada and the United Kingdom (the “U.K.”), serving a diversified customer base, including construction companies, large and small retailers, medical centers, schools, utilities, distributors, the military, hotels, restaurants, entertainment complexes and households. These customers rent our products for a wide variety of applications, including the storage of construction materials and equipment, retail and manufacturing inventory, documents and records and other goods. We also have a fleet of tank and pump solutions products, concentrated in the U.S. Gulf Coast, including liquid and solid containment units, serving a specialty sector in the industry. Our tank and pump products are rented primarily to chemical, refinery, oil and natural gas drilling, mining and environmental service customers. Basis of Presentation and Consolidation The consolidated financial statements include the accounts of Mobile Mini and our wholly owned subsidiaries. We do not have any subsidiaries in which we do not own 100% of the outstanding stock. All significant intercompany balances and transactions have been eliminated. The accompanying unaudited condensed consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) applicable to interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. In the opinion of management of Mobile Mini, all adjustments (which include normal recurring adjustments) necessary to present fairly the financial position, results of operations, and cash flows for all periods presented have been made. The results of operations for the three and nine months ended September 30, 2018 and 2017, respectively, are not necessarily indicative of the results to be expected for the full year. During the current year, we changed the classification of certain ancillary revenues that were previously reported in rental and other revenues to sales revenues, and the corresponding expenses are now being classified in cost of sales on the accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2018. As the amounts are immaterial, reclassifications were not made in the corresponding period of the prior year. These condensed consolidated financial statements should be read in conjunction with our audited consolidated financial statements and accompanying notes thereto included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2017 filed with the Securities and Exchange Commission (“SEC”) on February 2, 2018. Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the accompanying condensed consolidated financial statements and the notes to those statements. Actual results could differ from those estimates. Significant estimates affect the calculation of depreciation and amortization, the calculation of the allowance for doubtful accounts, the analysis of goodwill and long-lived assets for potential impairment and certain accrued liabilities.

(1) Mobile Mini, Inc. - Organization and Description of Business

Mobile Mini, Inc., a Delaware corporation, is a leading provider of portable storage solutions and tank and pump solutions. In these notes, the terms “Mobile Mini” the “Company,” “we,” “us,” and “our” refer to Mobile Mini, Inc.

At September 30, 2018, we had a fleet of storage solutions units operating throughout the United States (the “U.S.”), Canada and the United Kingdom (the “U.K.”), serving a diversified customer base, including construction companies, large and small retailers, medical centers, schools, utilities, distributors, the military, hotels, restaurants, entertainment complexes and households. These customers rent our products for a wide variety of applications, including the storage of construction materials and equipment, retail and manufacturing inventory, documents and records and other goods. We also have a fleet of tank and pump solutions products, concentrated in the U.S. Gulf Coast, including liquid and solid containment units, serving a specialty sector in the industry. Our tank and pump products are rented primarily to chemical, refinery, oil and natural gas drilling, mining and environmental service customers.

Basis of Presentation and Consolidation

The consolidated financial statements include the accounts of Mobile Mini and our wholly owned subsidiaries. We do not have any subsidiaries in which we do not own 100% of the outstanding stock. All significant intercompany balances and transactions have been eliminated. The accompanying unaudited condensed consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) applicable to interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. In the opinion of management of Mobile Mini, all adjustments (which include normal recurring adjustments) necessary to present fairly the financial position, results of operations, and cash flows for all periods presented have been made. The results of operations for the three and nine months ended September 30, 2018 and 2017, respectively, are not necessarily indicative of the results to be expected for the full year. During the current year, we changed the classification of certain ancillary revenues that were previously reported in rental and other revenues to sales revenues, and the corresponding expenses are now being classified in cost of sales on the accompanying condensed consolidated statements of operations for the three and nine months ended September 30, 2018. As the amounts are immaterial, reclassifications were not made in the corresponding period of the prior year.

These condensed consolidated financial statements should be read in conjunction with our audited consolidated financial statements and accompanying notes thereto included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2017 filed with the Securities and Exchange Commission (“SEC”) on February 2, 2018.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the accompanying condensed consolidated financial statements and the notes to those statements. Actual results could differ from those estimates. Significant estimates affect the calculation of depreciation and amortization, the calculation of the allowance for doubtful accounts, the analysis of goodwill and long-lived assets for potential impairment and certain accrued liabilities.