XML 26 R11.htm IDEA: XBRL DOCUMENT
v3.21.1

Real Estate | 3 Months Ended
--- | ---
Mar. 31, 2021
Real Estate [Abstract] |
Real Estate | 3. Real Estate Boston Properties, Inc. Real estate consisted of the following at March 31, 2021 and December 31, 2020 (in thousands):
|  | March 31, 2021 |  | December 31, 2020
Land |  | $ | 5,068,843 |  |  | $ | 5,069,206 |
Right of use assets - finance leases |  | 237,017 |  |  | 237,393 |
Right of use assets - operating leases |  | 144,143 |  |  | 146,406 |
Land held for future development (1) |  | 421,349 |  |  | 450,954 |
Buildings and improvements |  | 14,004,418 |  |  | 13,777,691 |
Tenant improvements |  | 2,816,726 |  |  | 2,752,880 |
Furniture, fixtures and equipment |  | 51,549 |  |  | 49,606 |
Construction in progress |  | 794,039 |  |  | 868,773 |
Total |  | 23,538,084 |  |  | 23,352,909 |
Less: Accumulated depreciation |  | (5,665,061) |  |  | (5,534,102) |
|  | $ | 17,873,023 |  |  | $ | 17,818,807 |
_______________ (1)Includes pre-development costs. Boston Properties Limited Partnership Real estate consisted of the following at March 31, 2021 and December 31, 2020 (in thousands):
|  | March 31, 2021 |  | December 31, 2020
Land |  | $ | 4,971,990 |  |  | $ | 4,971,990 |
Right of use assets - finance leases |  | 237,017 |  |  | 237,393 |
Right of use assets - operating leases |  | 144,143 |  |  | 146,406 |
Land held for future development (1) |  | 421,349 |  |  | 450,954 |
Buildings and improvements |  | 13,725,776 |  |  | 13,498,098 |
Tenant improvements |  | 2,816,726 |  |  | 2,752,880 |
Furniture, fixtures and equipment |  | 51,549 |  |  | 49,606 |
Construction in progress |  | 794,039 |  |  | 868,773 |
Total |  | 23,162,589 |  |  | 22,976,100 |
Less: Accumulated depreciation |  | (5,557,784) |  |  | (5,428,576) |
|  | $ | 17,604,805 |  |  | $ | 17,547,524 |
_______________ (1)Includes pre-development costs. Developments On February 1, 2021, the Company completed and fully placed in-service One Five Nine East 53rd Street, a Class A office and retail redevelopment of the low-rise portion of its 601 Lexington Avenue property with approximately 220,000 net rentable square feet located in New York City. On February 25, 2021, the Company commenced the development of 180 CityPoint, located in Waltham, Massachusetts. When completed, the building will consist of approximately 329,000 net rentable square feet of laboratory space. On February 25, 2021, the Company commenced the redevelopment of 880 Winter Street, located in Waltham, Massachusetts. When completed, the building will consist of approximately 224,000 net rentable square feet of laboratory space. On February 25, 2021, the Company commenced the redevelopment of The Prudential Center Observatory, a 59,000 net rentable square foot redevelopment of the top three floors of 800 Boylston Street - The Prudential Center, located in Boston, Massachusetts.

X
- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for certain real estate investment financial statements, real estate investment trust operating support agreements, real estate owned, retail land sales, time share transactions, as well as other real estate related disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -URI http://asc.fasb.org/topic&trid=2156125 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 978 -URI http://asc.fasb.org/topic&trid=2134977 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 976 -URI http://asc.fasb.org/topic&trid=2134846 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 974 -URI http://asc.fasb.org/topic&trid=2156429 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 972 -URI http://asc.fasb.org/topic&trid=2134617 + Details
Name: | us-gaap_RealEstateDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration