Investments and Fair Value Measurement - Summary of Investments that Estimate the Fair Value Using NAV (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	[1]
Financial Support for Nonconsolidated Legal Entity [Line Items]
Fair Value	$ 774,862,476	$ 0
NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	0
Fair Value	770,904,647
Stonepeak-Plus Infrastructure Fund Master Aggregator LP
Financial Support for Nonconsolidated Legal Entity [Line Items]
Fair Value	1,152,608,352
Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	91,842,485
Fair Value	522,657,013
SCF Cranberry Upper Holdings SPV I LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	0
Fair Value	45,903,839
SCF Cranberry (Co-Invest) Holdings IV LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	0
Fair Value	16,094,889
SCF Cranberry (Co-Invest) Holdings VIII LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	0
Fair Value	24,232,313
Stonepeak Cologix Holdings LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	23,137,264
Fair Value	39,780,693
Stonepeak Global Renewables Fund LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	26,141,594
Fair Value	33,733,817
Stonepeak Global Renewables Fund (Lux) SCSp | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	10,874,525
Fair Value	14,048,841
Stonepeak Midband (Co-Invest) Holdings LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	0
Fair Value	104,544,184
Stonepeak Efesto Infrastructure Fund SCSp | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	0
Fair Value	155,984,996
Stonepeak Digital Edge (Co-Invest) Holdings III LP | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	28,450,079
Fair Value	62,188,298
Other Affiliated Investments | Stonepeak-Plus Infrastructure Fund Master Aggregator LP | NAV
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded Commitment	3,239,023
Fair Value	$ 26,145,143

[1] The financial statements were not consolidated as of December 31, 2024.