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Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Jan. 04, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Aggregate share-based compensation charges     $ 7.0 $ 5.5 $ 15.4 $ 10.5    
Unrecognized stock-based compensation expense     $ 37.0   $ 37.0      
Unrecognized stock-based compensation expense, period for recognition         1 year 10 months 24 days      
Fair value at grant date of stock option award         $ 0.1 0.6    
Intrinsic value of options exercised         $ 0.9 $ 5.6    
Time-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         366,712      
Number of awards vested (in shares)         189,470      
Market-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         131,176      
Number of awards vested (in shares) 194,111 799,591     194,111      
Vesting percentage 91.40% 150.00%            
Restricted stock units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value, awards granted (in USD per share)         $ 26.62      
Weighted average grant date fair value, awards vested (in USD per share)         30.28      
Weighted average grant date fair value, awards forfeited (in USD per share)         30.27      
Weighted average grant date fair value, non-vested awards (in USD per share)     $ 29.26   29.26   $ 31.40  
OP units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average grant date fair value, awards granted (in USD per share)         26.45      
Weighted average grant date fair value, awards vested (in USD per share)         32.32      
Weighted average grant date fair value, awards forfeited (in USD per share)         31.94      
Weighted average grant date fair value, non-vested awards (in USD per share)     $ 29.30   $ 29.30   $ 31.30  
Directors | Time-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         4,810 6,616    
Vesting period (in years)         1 year 1 year    
Directors | Restricted stock units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         4,810 6,616    
Vesting period (in years)         1 year 1 year    
Directors | Time Based Graded Vesting OP Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         35,593 17,863    
Vesting period (in years)         1 year 1 year    
Directors | OP units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         35,593 17,863    
Vesting period (in years)         1 year 1 year    
Associates | Time-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         361,902 194,410    
Associates | Market-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         131,176 108,781    
Vesting period (in 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)         493,078 303,191    
Associates | Time Based Graded Vesting OP Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         98,994 60,472    
Associates | Market Performance-based Cliff Vesting OP Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         243,986 198,007    
Vesting period (in years)         3 years 3 years    
Associates | OP units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of awards granted (in shares)         342,980 258,479    
Associates | Minimum | Time-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         1 year 1 year    
Associates | Minimum | Restricted stock units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         1 year 1 year    
Associates | Minimum | Time Based Graded Vesting OP Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         1 year 1 year    
Associates | Minimum | OP units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         1 year 1 year    
Associates | Maximum | Time-Based Restricted Stock Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         3 years 3 years    
Associates | Maximum | Restricted stock units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         3 years 3 years    
Associates | Maximum | Time Based Graded Vesting OP Units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         3 years 3 years    
Associates | Maximum | OP units                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period (in years)         3 years 3 years    
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
Dividends accrued on dividend equivalents on unvested units payable         $ 1.2   $ 1.5