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Real Estate | 12 Months Ended
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Dec. 31, 2020
Real Estate [Abstract] |
Real Estate | 3. Real Estate Boston Properties, Inc. Real estate consisted of the following at December 31, 2020 and December 31, 2019 (in thousands):
|  | December 31, 2020 |  | December 31, 2019
Land |  | $ | 5,069,206 |  |  | $ | 5,111,606 |
Right of use assets - finance leases |  | 237,393 |  |  | 237,394 |
Right of use assets - operating leases |  | 146,406 |  |  | 148,640 |
Land held for future development (1) |  | 450,954 |  |  | 254,828 |
Buildings and improvements |  | 13,777,691 |  |  | 13,646,054 |
Tenant improvements |  | 2,752,880 |  |  | 2,656,439 |
Furniture, fixtures and equipment |  | 49,606 |  |  | 44,313 |
Construction in progress |  | 868,773 |  |  | 789,736 |
Total |  | 23,352,909 |  |  | 22,889,010 |
Less: Accumulated depreciation |  | (5,534,102) |  |  | (5,266,798) |
|  | $ | 17,818,807 |  |  | $ | 17,622,212 |
_______________ (1)Includes pre-development costs. Boston Properties Limited Partnership Real estate consisted of the following at December 31, 2020 and December 31, 2019 (in thousands):
|  | December 31, 2020 |  | December 31, 2019
Land |  | $ | 4,971,990 |  |  | $ | 5,011,153 |
Right of use assets - finance leases |  | 237,393 |  |  | 237,394 |
Right of use assets - operating leases |  | 146,406 |  |  | 148,640 |
Land held for future development (1) |  | 450,954 |  |  | 254,828 |
Buildings and improvements |  | 13,498,098 |  |  | 13,351,286 |
Tenant improvements |  | 2,752,880 |  |  | 2,656,439 |
Furniture, fixtures and equipment |  | 49,606 |  |  | 44,313 |
Construction in progress |  | 868,773 |  |  | 789,736 |
Total |  | 22,976,100 |  |  | 22,493,789 |
Less: Accumulated depreciation |  | (5,428,576) |  |  | (5,162,908) |
|  | $ | 17,547,524 |  |  | $ | 17,330,881 |
_______________ (1)Includes pre-development costs. Developments On March 26, 2020, the Company completed and fully placed in-service 17Fifty Presidents Street located in Reston, Virginia. 17Fifty Presidents Street is a build-to-suit project with approximately 276,000 net rentable square feet of Class A office space that is 100% leased. On June 1, 2020, the Company completed and fully placed in-service 20 CityPoint, a Class A office project with approximately 211,000 net rentable square feet located in Waltham, Massachusetts. The office portion of the property is 100% leased, including a lease with a future commencement. On June 26, 2020, the Company completed the acquisition of real property at 777 Harrison Street (known as Fourth + Harrison and formerly known as 425 Fourth Street) located in San Francisco, California for a gross purchase price, including entitlements, totaling approximately $140.1 million. On July 31, 2020 and December 16, 2020, the Company acquired real property at 759 Harrison Street located in San Francisco, California, which is expected to be included in the Fourth + Harrison development project, for an aggregate purchase price totaling approximately $4.5 million. 759 Harrison Street and Fourth + Harrison are expected to support the development of approximately 850,000 square feet of primarily commercial office space. On August 15, 2020, the Company completed and fully placed in-service The Skylyne, an approximately 331,000 square foot project comprised of 402 residential units and retail space located in Oakland, California. On November 3, 2020, the Company signed an approximately 138,000 square-foot, 10-year lease with a new tenant at 200 West Street in Waltham, Massachusetts. The Company is currently redeveloping a portion of 200 West Street into life sciences space with expected completion in 2021. With this lease, the property is 100% leased. Dispositions On January 28, 2020, the Company entered into a joint venture with a third party to own, operate and develop properties at its Gateway Commons complex located in South San Francisco, California. The Company contributed its 601, 611 and 651 Gateway properties and development rights with an agreed upon value aggregating approximately $350.0 million for its 50% interest in the joint venture. 601, 611 and 651 Gateway consist of three Class A office properties aggregating approximately 768,000 net rentable square feet. The partner contributed three properties and development rights with an agreed upon value aggregating approximately $280.8 million at closing and will contribute cash totaling approximately $69.2 million in the future for its 50% ownership interest in the joint venture. As a result of the partner’s deferred contribution, the Company had an initial approximately 55% interest in the joint venture. Future development projects will be owned 49% by the Company and 51% by its partner. Upon the partner’s contribution, the Company ceased accounting for the joint venture entity on a consolidated basis and is accounting for the joint venture entity on an unconsolidated basis using the equity method of accounting, as it has reduced its ownership interest in the joint venture entity and no longer has a controlling financial or operating interest in the joint venture entity (See Note 6). The Company recognized a gain on the retained and sold interest in the real estate contributed to the joint venture totaling approximately $217.7 million for Boston Properties, Inc. and $222.4 million for Boston Properties Limited Partnership during the year ended December 31, 2020 within Gains on Sales of Real Estate on the respective Consolidated Statements of Operations, as the fair value of the real estate exceeded its carrying value. 601, 611 and 651 Gateway contributed approximately $0.2 million of net income to the Company for the period from January 1, 2020 through January 27, 2020 and contributed approximately $10.4 million and $8.6 million of net income to the Company for the years ended December 31, 2019 and 2018, respectively. On February 20, 2020, the Company completed the sale of New Dominion Technology Park located in Herndon, Virginia for a gross sale price of $256.0 million. Net cash proceeds totaled approximately $254.0 million, resulting in a gain on sale of real estate totaling approximately $192.3 million for Boston Properties, Inc. and approximately $197.1 million for Boston Properties Limited Partnership. New Dominion Technology Park is comprised of two Class A office properties aggregating approximately 493,000 net rentable square feet. New Dominion Technology Park contributed approximately $1.6 million of net income to the Company for the period from January 1, 2020 through February 19, 2020 and contributed approximately $6.8 million and $8.2 million of net income to the Company for the years ended December 31, 2019 and 2018, respectively. On June 25, 2020, the Company completed the sale of a portion of its Capital Gallery property located in Washington, DC for a gross sale price of approximately $253.7 million. Net cash proceeds totaled approximately $246.6 million, resulting in a gain on sale of real estate totaling approximately $203.5 million for Boston Properties, Inc. and approximately $207.0 million for Boston Properties Limited Partnership. Capital Gallery is an approximately 631,000 net rentable square foot Class A office property. The portion sold was comprised of approximately 455,000 net rentable square feet of commercial office space. The Company continues to own the land, underground parking garage and remaining commercial office and retail space containing approximately 176,000 net rentable square feet at the property. The sold portion of Capital Gallery contributed approximately $6.3 million of net income to the Company for the period from January 1, 2020 through June 24, 2020 and contributed approximately $15.0 million and $14.5 million of net income to the Company for the years ended December 31, 2019 and 2018, respectively. On December 16, 2020, the Company completed the sale of a parcel of land located in Marlborough, Massachusetts for a gross sale price of approximately $14.3 million. Net cash proceeds totaled approximately $14.2 million, resulting in a gain on sale of real estate totaling approximately $5.2 million.

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- 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
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