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General - Narrative (Details) $ / shares in Units, £ in Millions, $ in Millions, ft³ in Billions |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2022 USD ($) shares | Sep. 28, 2021 USD ($) shares | Sep. 01, 2021 USD ($) | Aug. 02, 2021 USD ($) | Jun. 01, 2021 USD ($) | May 28, 2021 USD ($) | May 28, 2021 GBP (£) | May 05, 2021 USD ($) | Mar. 01, 2021 USD ($) | Mar. 01, 2021 CAD ($) | Jun. 30, 2021 USD ($) shares | Sep. 30, 2021 USD ($) warehouse joint_venture $ / shares shares ft³ | Sep. 30, 2020 USD ($) | Dec. 31, 2020 $ / shares shares | May 10, 2021 USD ($) | Mar. 22, 2021 $ / shares shares | Mar. 21, 2021 shares | Apr. 16, 2020 USD ($) $ / shares
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 248 |  |  |  |  |  |
Volume of warehouses | ft³ |  |  |  |  |  |  |  |  |  |  |  | 1.5 |  |  |  |  |  |
Number of joint ventures | joint_venture |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |
Common shares, par value (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  | $ 0.01 |  | $ 0.01
Common shares, shares authorized (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 500,000,000 |  | 325,000,000 |  | 500,000,000 | 325,000,000 |
Preferred shares, shares authorized (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 25,000,000 |  | 25,000,000 |  |  |  |
Preferred shares, par value (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  |  |
Preferred shares, share issued (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |  |
Preferred shares, share outstanding (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |  |
Net proceeds from issuance of common shares |  |  |  |  |  |  |  |  |  |  |  | $ 420,151,000 | $ 340,629,000 |  |  |  |  |
Aggregate cash consideration |  |  |  |  |  |  |  |  |  |  |  | $ 616,316,000 | $ 398,737,000 |  |  |  |  |
2020 At the Market Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized equity program |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000
Number of shares sold (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,429,104 |  |  |  |
2020 At the Market Offering, Forward Sale Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of shares |  |  |  |  |  |  |  |  |  |  | $ 86,600,000 |  |  |  |  |  |  |
Outstanding shares subject to forward sale agreement (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |
2021 At the Market Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized equity program |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000,000 |  |  |
Number of shares sold (in shares) | shares |  | 896,369 |  |  |  |  |  |  |  |  |  | 2,332,846 |  |  |  |  |  |
Net proceeds from issuance of common shares |  | $ 34,600,000 |  |  |  |  |  |  |  |  |  | $ 90,600,000 |  |  |  |  |  |
2021 At the Market Offering | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold (in shares) | shares | 1,436,477 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance of common shares | $ 56,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
October 2020 Offering, Forward Sale Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding shares subject to forward sale agreement |  |  |  |  |  |  |  |  |  |  |  | $ 171,300,000 |  |  |  |  |  |
Forward shares outstanding (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 4,785,000 |  |  |  |  |  |
2018 At the Market Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 6,000,000 |  |  |  |  |  |  |
Outstanding shares subject to forward sale agreement |  |  |  |  |  |  |  |  |  |  | $ 128,500,000 |  |  |  |  |  |  |
Newark Facility Management |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate cash consideration |  |  | $ 391,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration for acquisition |  |  | $ 391,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ColdCo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate cash consideration |  |  |  | $ 20,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bowman Stores |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate cash consideration |  |  |  |  |  | $ 107,100,000 | £ 75.5 |  |  |  |  |  |  |  |  |  |  |
KMT Brrr! |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate cash consideration |  |  |  |  |  |  |  | $ 70,800,000 |  |  |  |  |  |  |  |  |  |
Liberty Freezers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate cash consideration |  |  |  |  |  |  |  |  | $ 43,500,000 | $ 55.0 |  |  |  |  |  |  |  |
Consideration for acquisition |  |  |  |  |  |  |  |  | $ 43,500,000 | $ 55.0 |  |  |  |  |  |  |  |
Frigorifico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate cash consideration |  |  |  |  | $ 16,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
North America |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 202 |  |  |  |  |  |
Europe |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 27 |  |  |  |  |  |
Asia-Pacific |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 16 |  |  |  |  |  |
South America |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |
General Partner | Americold Realty Operating Partnership, L.P. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership of partnership |  |  |  |  |  |  |  |  |  |  |  | 99.00% |  |  |  |  |  |
Limited Partner | Americold Realty Operations, Inc. | Americold Realty Operating Partnership, L.P. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership of partnership |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |
Limited Partner | Other Limited Partners | Americold Realty Operating Partnership, L.P. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership of partnership |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |
Superfrio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 33 |  |  |  |  |  |
Comfrio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warehouses | warehouse |  |  |  |  |  |  |  |  |  |  |  | 25 |  |  |  |  |  |

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