Summary of Significant Accounting Policies - Schedule of Property Information for NMNLC (Details) - New Mountain Net Lease Corporation ft² in Thousands, $ in Thousands |
Sep. 30, 2026
USD ($)
ft²
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| Property, Plant, and Equipment [Line Items] | |
| Fair value | $ 121,149 |
| NM NL Holdings LP / NM GP Holdco LLC | |
| Property, Plant, and Equipment [Line Items] | |
| Fair value | $ 112,365 |
| NM YI, LLC | |
| Property, Plant, and Equipment [Line Items] | |
| Total square feet | ft² | 212 |
| Fair value | $ 8,784 |
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- Definition Area of a real estate property. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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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