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Acquisitions - Schedule of Consideration Transferred and Purchase Price Allocation (Details) $ / shares in Units, $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Jul. 01, 2020 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) shares | Jun. 30, 2021 shares
Business Acquisition [Line Items] |  |  |
Mobile Mini Common Stock outstanding (in shares) | shares |  | 229,038,158 | 226,832,627
Intangible assets, adjustments |  | $ 8,000 |
Mobile Mini, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Mobile Mini Common Stock outstanding (in shares) | shares | 44,252,275 |  |
Mobile Mini, Inc. |  |  |
Business Acquisition [Line Items] |  |  |
Number of shares exchanged (in shares) | 2.405 |  |
Common stock issued (in shares) | shares | 106,426,721 |  |
Common Stock per share price as of July 1, 2020 (in USD per share) | $ / shares | $ 12.53 |  |
Cash paid for fractional shares | $ 30 |  |
Total purchase price | $ 1,352,836 |  |
Mobile Mini, Inc. | Common Stock |  |  |
Business Acquisition [Line Items] |  |  |
Common stock issued (in shares) | shares | 106,426,721 |  |
Common Stock per share price as of July 1, 2020 (in USD per share) | $ / shares | $ 12.53 |  |
Fair value of shares issued and converted | $ 1,333,527 |  |
Mobile Mini, Inc. | Stock Options |  |  |
Business Acquisition [Line Items] |  |  |
Fair value of shares issued and converted | $ 19,279 |  |

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