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Real Estate (Tables) | 3 Months Ended
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Mar. 31, 2021
Real Estate Properties [Line Items] |
Schedule of Real Estate Properties | 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 Properties [Line Items] |
Schedule of Real Estate Properties | 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.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of lessor's property under leasing agreements and property available for lease (not currently under lease) by property class, the gross amount, accumulated depreciation and net amount of as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121578510&loc=d3e41551-112718 + Details
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