v3.25.2
NONCONTROLLING INTERESTS - Narrative (Details)
€ in Millions, $ in Millions
1 Months Ended 6 Months Ended 48 Months Ended
Aug. 31, 2022
Jun. 30, 2025
USD ($)
Jun. 30, 2025
EUR (€)
Aug. 31, 2026
Dec. 31, 2021
Stonepeak          
Noncontrolling Interest [Line Items]          
Dividends declared for common stock   $ 34.2      
Preferred Stock | Stonepeak          
Noncontrolling Interest [Line Items]          
Accrued dividends   $ 11.5      
U.S. | Data Centers          
Noncontrolling Interest [Line Items]          
Stock conversion period 4 years        
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   82.1 € 70.9    
AT Iberia C.V.          
Noncontrolling Interest [Line Items]          
Dividends declared   $ 101.1 € 87.3    
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%