Commitments and Contingencies - Schedule of Percent of Total Rental Revenue (Details) - Rental revenue - Customer concentration risk |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Empire State Building | |||
| Concentration Risk [Line Items] | |||
| Concentration risk percentage (as a percent) | 32.30% | 31.90% | 29.60% |
| One Grand Central Place | |||
| Concentration Risk [Line Items] | |||
| Concentration risk percentage (as a percent) | 12.60% | 12.70% | 12.80% |
| 111 West 33rd Street | |||
| Concentration Risk [Line Items] | |||
| Concentration risk percentage (as a percent) | 10.70% | 10.90% | 10.80% |
| 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
|
| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|