General - Narrative (Details) $ / shares in Units, £ in Millions, R$ in Millions, $ in Millions, ft³ in Billions													3 Months Ended					6 Months Ended
	May 28, 2021 USD ($)	May 28, 2021 GBP (£)	May 05, 2021 USD ($)	Mar. 01, 2021 USD ($)	Mar. 01, 2021 CAD ($)	Dec. 30, 2020 USD ($) shares	Nov. 02, 2020 USD ($)	Aug. 31, 2020 USD ($)	Mar. 06, 2020 USD ($)	Mar. 06, 2020 BRL (R$)	Jan. 02, 2020 USD ($)	Jan. 02, 2020 CAD ($)	Jun. 30, 2021 USD ($) joint_venture warehouse $ / shares shares ft³	Jun. 30, 2021 BRL (R$) shares	Mar. 31, 2021 USD ($)	Mar. 31, 2021 BRL (R$)	Mar. 31, 2020 BRL (R$)	Jun. 30, 2021 USD ($) joint_venture warehouse $ / shares shares ft³	Jun. 30, 2020 USD ($) shares	May 10, 2021 USD ($)	Mar. 22, 2021 $ / shares shares	Mar. 21, 2021 shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 29, 2020 $ / shares	Apr. 16, 2020 USD ($) $ / shares
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													246					246
Volume of warehouses | ft³													1.4					1.4
Number of joint ventures | joint_venture													2					2
Common shares, par value (in USD per share) | $ / shares													$ 0.01					$ 0.01			$ 0.01		$ 0.01		$ 0.01
Common shares, shares authorized (in shares) | shares													500,000,000					500,000,000			500,000,000	325,000,000	325,000,000
Preferred shares, shares authorized (in shares) | shares													25,000,000					25,000,000					25,000,000
Preferred shares, par value (in USD per share) | $ / shares													$ 0.01					$ 0.01					$ 0.01
Preferred shares, share issued (in shares) | shares													0					0					0
Preferred shares, share outstanding (in shares) | shares													0					0					0
Net proceeds from issuance of common shares																		$ 214,775,000	$ 340,628,000
Aggregate cash consideration																		215,329,000	315,668,000
Share price (in usd per share) | $ / shares																								$ 36.15
Payments to acquire investment																		$ 6,260,000	$ 26,197,000
North America
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													200					200
Europe
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													27					27
Asia-Pacific
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													16					16
South America
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													3					3
2020 At the Market Offering
Subsidiary, Sale of Stock [Line Items]
Authorized equity program																									$ 500,000,000.0
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					0
2021 At the Market Offering
Subsidiary, Sale of Stock [Line Items]
Authorized equity program																				$ 900,000,000.0
Number of shares sold (in shares) | shares																		1,530,034
Net proceeds from issuance of common shares																		$ 59,600,000
October 2020 Offering, Forward Sale Agreement
Subsidiary, Sale of Stock [Line Items]
Forward shares outstanding (in shares) | shares													4,785,000					4,785,000
2018 At the Market Offering
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares) | shares													6,000,000	6,000,000
Outstanding shares subject to forward sale agreement													$ 128,500,000					$ 128,500,000
Bowman Stores
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration	$ 107,100,000	£ 75.5
Cash received	$ 3,400,000	£ 2.4
KMT Brrr!
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration			$ 70,800,000
Cash received			$ 1,200,000
Liberty Freezers
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration				$ 43,500,000	$ 55.0
Consideration for acquisition				43,500,000	55.0
Cash received				$ 1,400,000	$ 1.8
Agro Merchants Group
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration						$ 1,080,000,000.00
Consideration for acquisition						1,590,000,000
Cash received						47,500,000
Deferred consideration						$ 49,700,000
Shares issued for acquisition (in shares) | shares						14,166,667													46,100,000
Shares issued for acquisition						$ 512,100,000
Financing lease and sale-leaseback obligations						112,700,000																	$ 112,700,000
Consideration, including financing and sale-leaseback obligations						$ 1,700,000,000
Halls Warehouse Corporation
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration							$ 489,200,000
Cash received							$ 7,900,000
AM-C Warehouses
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration								$ 82,700,000
Newport Cold
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration											$ 57,700,000
Cash received											1,000,000.0
Nova Cold Logistics
Subsidiary, Sale of Stock [Line Items]
Aggregate cash consideration											260,600,000	$ 338.7
Cash received											$ 1,000,000.0	$ 1.3
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%
Caspers Cold Storage
Subsidiary, Sale of Stock [Line Items]
Payments for asset acquisitions								$ 25,600,000
Comfrio
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													24					24
Equity interest						22.12%							22.12%					22.12%
Superfrio
Subsidiary, Sale of Stock [Line Items]
Number of warehouses | warehouse													33					33
Equity interest									14.99%	14.99%			14.99%				14.99%	14.99%
Payments to acquire investment									$ 25,700,000	R$ 117.8			$ 4,600,000	R$ 24.1	$ 1,600,000	R$ 9.3	R$ 117.8