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v3.23.3

Investments in real estate - Real estate asset sales (Details) $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 24, 2023 USD ($) | Jan. 10, 2020 ft² property | Jun. 30, 2023 USD ($) ft² property | Sep. 30, 2023 USD ($) ft² property | Jun. 30, 2023 USD ($) ft² property | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) ft² property | Sep. 30, 2022 USD ($)
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  | 75,100,000 |  |  | 75,100,000 |
Proceeds from Noncontrolling Interests |  |  |  |  |  |  | $ 436,207 | $ 1,463,454
Contributions from and sales of noncontrolling interests |  |  |  | $ 136,726 |  | $ 450,913 | 431,393 | 1,479,520
Proceeds from sales of real estate |  |  |  |  |  |  | 761,321 | 994,331
Gain on sales of real estate |  |  |  | 0 |  | 323,699 | 214,810 | 537,918
Proceeds from sale of real estate assets and partial interest |  |  |  |  |  |  | 875,448 |
Impairment of real estate |  |  |  | $ 20,649 |  | 38,783 | $ 189,224 | 38,783
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  | 312,660 |  |  | 312,660 |
Number of real estate properties | property |  |  |  | 4 |  |  | 4 |
China Properties |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Impairment of real estate |  |  |  |  | $ 17,100 |  |  |
Number of real estate properties | property |  |  | 1 |  | 1 |  |  |
Greater Boston and Texas | Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  | 230,704 |  |  | 230,704 |
Number of real estate properties | property |  |  |  | 3 |  |  | 3 |
Additional Paid-In Capital |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Contributions from and sales of noncontrolling interests |  |  |  | $ 6,455 |  | 125,956 | $ 30,400 | 652,591
Noncontrolling Interests |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Contributions from and sales of noncontrolling interests |  |  |  | $ 130,271 |  | $ 324,957 | 400,993 | $ 826,929
9625 Towne Centre Drive |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  | 163,648 |  | 163,648 |  |  |
Proceeds from Noncontrolling Interests |  |  |  |  | $ 32,261 |  |  |
9625 Towne Centre Drive | Additional Paid-In Capital |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Contributions from and sales of noncontrolling interests |  |  |  |  | $ 15,553 |  |  |
9625 Towne Centre Drive | Noncontrolling Interests | Alexandria |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Real Estate Property, Ownership Interest Sold |  |  | 20.10% |  | 20.10% |  |  |
15 Necco Street |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  | 345,995 |  | 345,995 |  |  |
Proceeds from Noncontrolling Interests |  |  |  |  | $ 66,108 |  |  |
15 Necco Street | Additional Paid-In Capital |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Contributions from and sales of noncontrolling interests |  |  |  |  | $ (7,761) |  |  |
15 Necco Street | Noncontrolling Interests | Alexandria |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Real Estate Property, Ownership Interest Sold |  |  | 18.00% |  | 18.00% |  |  |
9625 Towne Centre Drive and 15 Necco Street |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Proceeds from Noncontrolling Interests |  |  |  |  |  |  | 98,369 |
9625 Towne Centre Drive and 15 Necco Street | Additional Paid-In Capital |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Contributions from and sales of noncontrolling interests |  |  |  |  |  |  | 7,792 |
780 and 790 Memorial Drive and 225, 231, 266, and 275 Second Avenue |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Real Estate Property, Ownership Interest Sold |  |  | 100.00% |  | 100.00% |  |  |
Area of real estate property | ft² |  |  | 428,663 |  | 428,663 |  |  |
Proceeds from sales of real estate |  |  |  |  | $ 365,226 |  |  |
Gain on sales of real estate |  |  |  |  | $ 187,225 |  |  |
11119 North Torrey Pines Road |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Real Estate Property, Ownership Interest Sold |  |  | 100.00% |  | 100.00% |  |  |
Area of real estate property | ft² |  |  | 72,506 |  | 72,506 |  |  |
Proceeds from sales of real estate |  |  |  |  | $ 86,000 |  |  |
Gain on sales of real estate |  |  |  |  | $ 27,585 |  |  |
225, 231, 266, and 275 Second Avenue , 780 and 790 Memorial Drive, and 11119 North Torrey Pines Road |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Proceeds from sales of real estate |  |  |  |  |  |  | $ 451,226 |
421 Park Drive |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  | 660,034 |  |  | 660,034 |
421 Park Drive Condominium |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  | 268,023 |  |  | 268,023 |
Proceeds from sales of real estate |  |  |  | $ 174,412 |  |  |  |
421 Park Drive Remaining |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Area of real estate property | ft² |  |  |  | 392,011 |  |  | 392,011 |
275 Grove Street |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Real Estate Property, Ownership Interest Sold |  |  | 100.00% |  | 100.00% |  |  |
Area of real estate property | ft² |  | 509,702 | 509,702 |  | 509,702 |  |  |
Proceeds from sales of real estate |  |  |  |  | $ 109,349 |  |  |
Impairment of real estate | $ 138,900 |  | $ 6,500 |  | 145,400 |  |  |
Number of real estate properties | property |  | 3 |  |  |  |  |  |
Weighted average remaining lease term |  | 6 years 1 month 6 days |  |  |  |  |  |
Other |  |  |  |  |  |  |  |
Real Estate Properties |  |  |  |  |  |  |  |
Proceeds from sales of real estate |  |  |  |  | $ 42,092 |  |  |

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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-3 + Details
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