v3.26.1
NONCONTROLLING INTERESTS - Narrative (Details)
€ in Millions, $ in Millions
6 Months Ended 48 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
Aug. 31, 2026
Dec. 31, 2021
Stonepeak        
Noncontrolling Interest [Line Items]        
Dividends declared for common stock $ 36.4      
Preferred Stock | Stonepeak        
Noncontrolling Interest [Line Items]        
Accrued dividends $ 11.5      
U.S. | Data Centers | Common Stock        
Noncontrolling Interest [Line Items]        
Percentage of ownership after transaction (as a percent) 71.00% 71.00%    
U.S. | Data Centers | Common Stock | Forecast        
Noncontrolling Interest [Line Items]        
Percentage of ownership after transaction (as a percent)     64.00%  
Kirtonkhola Tower Bangladesh Limited        
Noncontrolling Interest [Line Items]        
Percentage of interests acquired (as a percent)       51.00%
Stonepeak | Preferred Stock        
Noncontrolling Interest [Line Items]        
Dividends declared $ 22.8      
AT Europe C.V.        
Noncontrolling Interest [Line Items]        
Dividends declared 47.1 € 41.4    
AT Iberia C.V.        
Noncontrolling Interest [Line Items]        
Dividends declared $ 77.0 € 67.6    
ATC Europe        
Noncontrolling Interest [Line Items]        
Controlling ownership interest percentage (as a percent) 52.00%      
ATC Europe | CDPQ        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent) 30.00%      
ATC Europe | Allianz        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent) 18.00%      
France | ATC Europe        
Noncontrolling Interest [Line Items]        
Controlling ownership interest percentage (as a percent) 100.00%      
Germany        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent) 13.00%      
Germany | ATC Europe        
Noncontrolling Interest [Line Items]        
Controlling ownership interest percentage (as a percent) 87.00%      
Spain        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent) 17.00%      
Spain | ATC Europe        
Noncontrolling Interest [Line Items]        
Controlling ownership interest percentage (as a percent) 83.00%      
Kirtonkhola Tower Bangladesh Limited | Confidence Group        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent)       49.00%
Stonepeak | U.S. | Data Centers        
Noncontrolling Interest [Line Items]        
Preferred stock, dividend rate (as a percent) 5.00% 5.00%    
Preferred stock, conversion ratio 1      
Stonepeak | U.S. | Data Centers | Common Stock        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent) 29.00%      
Stonepeak | U.S. | Data Centers | Common Stock | Forecast        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent)     36.00%  
Stonepeak | U.S. | Data Centers | Preferred Stock        
Noncontrolling Interest [Line Items]        
Noncontrolling owner ownership percentage (as a percent) 100.00%