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v3.25.3

Leases - Lessee (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 USD ($) property | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) property | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease liability | $ 361,986 |  | $ 361,986 |  | $ 507,127
Operating lease right-of-use assets | $ 713,433 |  | $ 713,433 |  | 764,472
Operating lease discount rate | 4.70% |  | 4.70% |  |
Number of properties subject to ground leases | property | 31 |  | 31 |  |
Percentage of properties subject to ground leases | 8.00% |  | 8.00% |  |
Operating lease costs - cash rents |  |  | $ 165,200 | $ 24,700 |
Remaining lease term for operating lease obligations |  |  | 11 years |  |
Impairment of real estate | $ 323,870 | $ 5,741 | $ 485,630 | 36,504 |
Operating Lease Liabilities, Payments Due |  |  |  |  |
2025 | 5,389 |  | 5,389 |  |
2026 | 22,768 |  | 22,768 |  |
2027 | 21,849 |  | 21,849 |  |
2028 | 21,517 |  | 21,517 |  |
2029 | 21,025 |  | 21,025 |  |
Thereafter | 686,239 |  | 686,239 |  |
Total future payments under our operating leases in which we are the lessee | 778,787 |  | 778,787 |  |
Effect of discounting | (416,801) |  | (416,801) |  |
Operating lease liability | 361,986 |  | 361,986 |  | $ 507,127
Leasee operating costs |  |  |  |  |
Gross operating lease costs | 11,525 | 10,701 | 36,743 | 29,842 |
Capitalized lease costs | (880) | (521) | (2,293) | (1,567) |
Expenses for operating leases in which we are the lessee | $ 10,645 | $ 10,180 | 34,450 | $ 28,275 |
Alexandria Technology Square |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Operating lease costs - cash rents |  |  | $ 135,000 |  |
Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term for ground lease obligation |  |  | 29 years |  |
Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term for ground lease obligation |  |  | 81 years |  |
Ground and operating leases |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Weighted average remaining lease term | 54 years |  | 54 years |  |
Operating Property with Ground Lease |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Number of properties subject to ground leases | property | 1 |  | 1 |  |
Net book value for the exclusion of one ground lease related to one operating property | $ 5,200 |  | $ 5,200 |  |

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