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