Income Taxes - Schedule of Components of Series II’s Deferred Tax Assets and Liabilities (Details) - ISQ Open Infrastructure Company LLC - Series II [Member] - USD ($) |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Schedule of Components of Series II’s Deferred Tax Assets and Liabilities [Line Items] | |||
| Deferred Tax Asset | |||
| Unrealized Appreciation (Depreciation) | |||
| Deferred Tax Liability | 11,288,835 | ||
| Current Tax Payable | 39,016 | ||
| Unrealized Appreciation (Depreciation) | $ 11,327,851 |
| X | ||||||||||
- Definition The amount of unrealized appreciation (depreciation). No definition available.
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| X | ||||||||||
- Definition The amount of unrealized appreciation (depreciation). No definition available.
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| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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