Cover Page - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2020	Feb. 26, 2021	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-34723
Entity Registrant Name	AMERICOLD REALTY TRUST
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	93-0295215
Entity Address, Address Line One	10 Glenlake Parkway,
Entity Address, Address Line Two	Suite 600, South Tower
Entity Address, City or Town	Atlanta,
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30328
City Area Code	678
Local Phone Number	441-1400
Title of 12(b) Security	Common Shares of Beneficial Interest, $0.01 par value per share
Trading Symbol	COLD
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	true
Entity Public Float			$ 6.4
Entity Common Stock, Shares Outstanding		252,366,476
Documents Incorporated by Reference [Text Block]	Part III incorporates by reference portions of Americold Realty Trust’s Proxy Statement for its 2021 Annual Meeting of Shareholders, which the registrants anticipate will be filed no later than 120 days after the end of its fiscal year pursuant to Regulation 14A.
Entity Central Index Key	0001455863
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false