Fair Value Measurement and Disclosures - Schedule of Reconciliation of Investments Level III Inputs (Details) - Level III [Member] - ISQ Open Infrastructure Company LLC - Series II [Member]	9 Months Ended
	Dec. 31, 2025 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance as of the Funding Date
Purchases	139,937,414
Net change in unrealized gain (loss) on investments	43,242,531
Transfers out of Level III
Transfers into Level III
Balance as of December 31, 2025	$ 183,179,945