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v3.25.2

Real Estate (Narrative) (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 27, 2025 USD ($) ft² | Jun. 30, 2025 USD ($) | Jun. 26, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 26, 2025 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2025 ft² | Jan. 16, 2025 ft²
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |
Gains on sales of real estate |  | $ 18,390 |  | $ 0 | $ 18,390 |  | $ 0 |  |
Proceeds from sale of real estate |  |  |  |  | 21,840 |  | 0 |  |
Net Income (Loss) |  | 119,141 |  | 106,949 | 206,046 |  | 213,553 |  |
Boston Properties Limited Partnership |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |
Gains on sales of real estate |  | 18,489 |  | 0 | 18,489 |  | 0 |  |
Proceeds from sale of real estate |  |  |  |  | 21,840 |  | 0 |  |
Net Income (Loss) |  | 120,943 |  | 108,652 | 209,551 |  | 216,953 |  |
Reston Next Retail |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |
Net Rentable Area (in sf) | ft² |  |  |  |  |  |  |  |  | 30,000
1050 Winter Street |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |
Net Rentable Area (in sf) | ft² |  |  |  |  |  |  |  | 162,000 |
17 Hartwell Avenue |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |
Net Rentable Area (in sf) | ft² | 30,000 |  |  |  |  |  |  |  |
Gains on sales of real estate |  | 18,400 |  |  | 18,400 |  |  |  |
Proceeds from sale of real estate | $ 21,800 |  |  |  |  |  |  |  |
Net Income (Loss) |  |  | $ (100) | $ 23 |  | $ (300) | $ 300 |  |
17 Hartwell Avenue | Boston Properties Limited Partnership |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |
Gains on sales of real estate |  | $ 18,500 |  |  | $ 18,500 |  |  |  |

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