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ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP - Narrative (Details) | 6 Months Ended
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Jun. 30, 2026 a ft² property
Organization of The Parent Company and The Operating Partnership [Line Items] |
Number of real estate properties | property | 59
Area of real estate property (in square feet) | 11,506,523
Held-for-sale |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Number of real estate properties | property | 4
Unconsolidated Properties | Unconsolidated Real Estate Ventures |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Number of real estate properties | property | 7
Parent Company |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Area of real estate property (in square feet) | 11,600,000
Areas of land held for development (in acres) | a | 106.5
Lease agreement term | 99 years
Area of additional undeveloped parcels of land with option to purchase (in acres) | a | 5.1
Parent Company | Parcel of land |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Lease agreement term | 99 years
Parent Company | Leashold Interest Land |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Areas of land held for development (in acres) | a | 0.8
Wholly-owned Management Company Subsidiaries |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Area of real estate property (in square feet) | 18,900,000
Wholly-owned Management Company Subsidiaries | Wholly Owned Properties |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Area of real estate property (in square feet) | 11,800,000
Wholly-owned Management Company Subsidiaries | Partially Owned Properties |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Area of real estate property (in square feet) | 6,300,000
Wholly-owned Management Company Subsidiaries | Held-for-sale | Wholly Owned Properties |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Area of real estate property (in square feet) | 800,000
Brandywine Operating Partnership, L.P. |
Organization of The Parent Company and The Operating Partnership [Line Items] |
Ownership in the operating partnership | 99.70%

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