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Share-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jan. 04, 2018
Apr. 10, 2017
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock-based compensation charges       $ 17,900 $ 15,900    
Stock-based compensation charges due to accelerated vesting         3,100    
Share-based compensation from modification of awards and accelerated vesting of awards $ 2,000   $ 2,900 0 3,044 $ 2,042  
Unrecognized stock-based compensation expense       $ 23,000      
Unrecognized stock-based compensation expense, period for recognition       1 year 8 months 12 days      
Amount accrued for dividend equivalents           400  
Accelerated vesting (in shares)     100,000        
Accelerated share-based compensation expense upon termination of former executives     $ 200        
Market performance percentage, minimum       50.00%      
Market performance percentage, target       100.00%      
Market performance percentage, maximum       200.00%      
Aggregate grant date fair value of awards       $ 8,300 700    
Fair value at grant date of stock option awards that vested       700 900 1,500  
Intrinsic value of options exercised       $ 8,200 $ 27,800 38,800  
Selling, General and Administrative Expenses              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock-based compensation charges           $ 10,700  
Time-based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       194,981      
Market-Based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       108,810      
Vesting period       3 years   3 years  
Granted, grant date fair value (in USD per share)   $ 13.43          
TSR, minimum       8.00%   8.00%  
TSR, target       10.00%   10.00%  
TSR, maximum       12.00%   12.00%  
Market performance percentage, minimum       50.00%   50.00%  
Market performance percentage, target       100.00%   100.00%  
Market performance percentage, maximum       150.00%   150.00%  
Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted, grant date fair value (in USD per share)       $ 31.06 $ 33.29 $ 17.21  
Vested, grant date fair value (in USD per share)       21.72      
Forfeited, grant date fair value (in USD per share)       26.13      
Outstanding, grant date fair value (in USD per share)       $ 24.27 $ 22.50    
OP Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)           0  
2010 Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares authorized (in shares)             3,849,976
Americold Realty Trust 2017 Equity Incentive Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares authorized (in shares) 9,000,000            
Amount accrued for dividend equivalents       $ 2,500 $ 1,100    
Trustees | Time-based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       8,517      
Vesting period       1 year      
Trustees | Time-Based Restricted Stock Units, Awarded for IPO              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)         12,285 331,250  
Vesting period         1 year 3 years  
Trustees | Time-based Restricted Stock Units, Awarded As Part of Annual Compensation              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)         5,982 42,188  
Vesting period         1 year 1 year  
Trustees | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       8,517 18,267 373,438  
Vesting period       1 year 1 year    
Trustees | OP Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       16,325 20,190    
Vesting period       1 year 1 year    
Trustees | Minimum | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period           1 year  
Trustees | Maximum | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period           3 years  
Associates | Time-based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       186,464 261,816 659,751  
Associates | Market-Based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       108,810 243,168 604,000  
Vesting period       3 years 3 years 3 years  
Associates | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       295,274 504,984 1,263,751  
Associates | OP Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of awards granted (in shares)       255,720      
Associates | Minimum | Time-based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       1 year 1 year 1 year  
Associates | Minimum | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       1 year 1 year 1 year  
Associates | Minimum | OP Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       1 year      
Associates | Maximum | Time-based Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       3 years 3 years 4 years  
Associates | Maximum | Restricted Stock Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       3 years 3 years 4 years  
Associates | Maximum | OP Units              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Vesting period       3 years