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Equity - Narrative (Details) - USD ($) |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 29, 2021 | Mar. 01, 2021 | Jul. 01, 2020 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Apr. 29, 2021 | Dec. 31, 2020 | Aug. 07, 2020
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares issued for each share converted (in shares) |  |  |  | 1.3261 |  |  |  |  |  |  |
Common stock par value (in USD per share) |  |  | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  |  | $ 0.0001 |
Shares issued for conversion (in shares) |  |  |  | 10,641,182 |  |  |  |  |  |  |
Shares issued for conversion |  |  |  |  |  | $ 0 |  |  |  |  |
Shares repurchased (in shares) |  |  |  |  |  |  | 7,901,657 |  |  |  |
Issuance of Common Stock from the exercise of options and warrants (in shares) |  |  |  |  |  |  | 4,687,881 |  |  |  |
Authorized share repurchase program |  |  |  |  |  |  |  |  | $ 500,000,000 |  | $ 250,000,000
Shares repurchased |  |  |  |  |  |  | $ 216,300,000 |  |  |  |
Remaining authorized share repurchase program |  |  |  |  | $ 249,200,000 |  | 249,200,000 |  |  |  |
Net losses on derivatives, income tax benefit |  |  |  |  | $ 656,000 | 0 | 1,323,000 | $ 0 |  |  |
Sapphire Holdings Sale of Stock |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares repurchased (in shares) | 3,900,000 | 2,750,000 |  |  |  |  |  |  |  |  |
Interest Rate Swap | Interest expense, net |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss reclassified from AOCI into income (effective portion) |  |  |  |  |  |  | $ (5,931,000) | $ (4,189,000) |  |  |
Mobile Mini, Inc. |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares issued for merger (in shares) |  |  | 106,426,722 |  |  |  |  |  |  |  |
Non-Controlling Interest |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares issued for conversion |  |  |  | $ (63,900,000) |  | (63,918,000) |  |  |  |  |
Additional Paid-in-Capital |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares issued for conversion |  |  |  | 66,900,000 |  | 66,890,000 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares issued for conversion |  |  |  | $ (3,000,000.0) |  | $ (2,972,000) |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock par value (in USD per share) |  |  |  | $ 0.0001 |  | $ 0.0001 |  | $ 0.0001 |  |  |

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