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Investment in the Master Aggregator (Details)
Jun. 30, 2026
Dec. 31, 2025
Stonepeak-Plus Infrastructure Fund Master Aggregator LP    
Noncontrolling Interest [Line Items]    
Percentage of net assets that at times investments held may exceed on a proportional basis 5.00%  
Stonepeak-Plus Infrastructure Fund Master Aggregator LP    
Noncontrolling Interest [Line Items]    
Ownership interest 64.70% 70.10%