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Acquisitions - Pro Forma Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 01, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 15, 2020
Business Acquisition [Line Items] |  |  |  |  |  |
Revenues |  | $ 461,102 | $ 256,862 | $ 886,425 | $ 512,683 |
Income (loss) before income tax |  | $ 39,199 | (14,415) | $ 54,127 | 78,030 |
State and Federal Income Taxes, Percent |  | 25.50% |  | 25.50% |  |
Elimination of reversal of valuation allowance due to reassessment |  |  | 2,700 |  | 2,700 |
2025 Secured Notes | Senior Notes |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Interest rate | 6.125% | 6.125% |  | 6.125% |  | 6.125%
Revolving Credit Facility | 2020 ABL Facility | Line of Credit |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Debt drawn | $ 1,470,000 |  |  |  |  |
Estimated interest rate | 2.046% |  |  |  |  |
Mobile Mini, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Revenues |  |  | 133,663 |  | 284,240 |
Mobile Mini, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Pro forma revenues |  |  | 390,525 |  | 796,923 |
Income (loss) before income tax |  |  | 8,575 |  | 139,890 |
Pro forma income before income tax |  |  | 8,552 |  | 115,904 |
Income tax expense |  |  | 9,737 |  | 23,244 |
Pro forma net (loss) income |  |  | (1,162) |  | 116,646 |
Intangible assets | $ 374,500 |  |  |  |  |
Mobile Mini, Inc. | Mobile Mini customer relationships |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible assets | $ 209,000 |  |  |  |  |
Intangible assets, weighted average life | 13 years |  |  |  |  |
Mobile Mini, Inc. | Elimination of Merger transaction costs |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Income (loss) before income tax |  |  | 3,198 |  | 27,849 |
Mobile Mini, Inc. | Impact of fair value mark-ups on rental fleet depreciation |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Income (loss) before income tax |  |  | (1,167) |  | (2,334) |
Mobile Mini, Inc. | Other depreciation expense and intangible asset amortization |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Income (loss) before income tax |  |  | (5,669) |  | (11,338) |
Mobile Mini, Inc. | Interest expense |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Income (loss) before income tax |  |  | (3,549) |  | (6,113) |
Mobile Mini, Inc. | Elimination of Mobile Mini interest expense |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Income (loss) before income tax |  |  | 7,210 |  | 15,922 |
Mobile Mini, Inc. | Mobile Mini, Inc. |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Income (loss) before income tax |  |  | $ 22,967 |  | $ 37,874 |

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