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Real Estate Schedule of Real Estate Properties (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Real Estate Properties [Line Items] |  |  |
Land |  | $ 5,189,287 | $ 5,189,811
Right-of-use assets - finance leases |  | 237,503 | 237,510
Right of use assets - operating leases |  | 166,699 | 167,351
Land held for future development | [1] | 626,137 | 721,501
Buildings and improvements |  | 15,783,962 | 15,820,724
Tenant improvements |  | 3,291,322 | 3,200,743
Furniture, Fixtures and Equipment |  | 50,242 | 50,310
Construction in progress |  | 618,770 | 406,574
Total |  | 25,963,922 | 25,794,524
Less: accumulated depreciation |  | (6,424,547) | (6,298,082)
Total real estate |  | 19,539,375 | 19,496,442
Boston Properties Limited Partnership |  |  |
Real Estate Properties [Line Items] |  |  |
Land |  | 5,094,578 | 5,095,102
Right-of-use assets - finance leases |  | 237,503 | 237,510
Right of use assets - operating leases |  | 166,699 | 167,351
Land held for future development | [1] | 626,137 | 721,501
Buildings and improvements |  | 15,512,406 | 15,547,919
Tenant improvements |  | 3,291,322 | 3,200,743
Furniture, Fixtures and Equipment |  | 50,242 | 50,310
Construction in progress |  | 618,770 | 406,574
Total |  | 25,597,657 | 25,427,010
Less: accumulated depreciation |  | (6,306,326) | (6,180,474)
Total real estate |  | $ 19,291,331 | $ 19,246,536
[1] | Includes pre-development costs.

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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