XML 38 R24.htm IDEA: XBRL DOCUMENT
v3.22.1

Real Estate (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Real Estate Properties [Line Items] |
Schedule of Real Estate Properties | BXP Real estate consisted of the following at March 31, 2022 and December 31, 2021 (in thousands):
|  | March 31, 2022 |  | December 31, 2021
Land |  | $ | 5,059,311 |  |  | $ | 5,061,169 |
Right of use assets - finance leases |  | 237,501 |  |  | 237,507 |
Right of use assets - operating leases |  | 169,248 |  |  | 169,778 |
Land held for future development (1) |  | 582,511 |  |  | 560,355 |
Buildings and improvements |  | 14,410,242 |  |  | 14,291,214 |
Tenant improvements |  | 2,951,838 |  |  | 2,894,025 |
Furniture, fixtures and equipment |  | 51,549 |  |  | 51,695 |
Construction in progress |  | 846,775 |  |  | 894,172 |
Total |  | 24,308,975 |  |  | 24,159,915 |
Less: Accumulated depreciation |  | (5,995,760) |  |  | (5,883,961) |
|  | $ | 18,313,215 |  |  | $ | 18,275,954 |
_______________ (1)Includes pre-development costs.
Boston Properties Limited Partnership |
Real Estate Properties [Line Items] |
Schedule of Real Estate Properties | BPLP Real estate consisted of the following at March 31, 2022 and December 31, 2021 (in thousands):
|  | March 31, 2022 |  | December 31, 2021
Land |  | $ | 4,963,374 |  |  | $ | 4,964,986 |
Right of use assets - finance leases |  | 237,501 |  |  | 237,507 |
Right of use assets - operating leases |  | 169,248 |  |  | 169,778 |
Land held for future development (1) |  | 582,511 |  |  | 560,355 |
Buildings and improvements |  | 14,133,781 |  |  | 14,014,010 |
Tenant improvements |  | 2,951,838 |  |  | 2,894,025 |
Furniture, fixtures and equipment |  | 51,549 |  |  | 51,695 |
Construction in progress |  | 846,775 |  |  | 894,172 |
Total |  | 23,936,577 |  |  | 23,786,528 |
Less: Accumulated depreciation |  | (5,882,385) |  |  | (5,772,018) |
|  | $ | 18,054,192 |  |  | $ | 18,014,510 |
_______________ (1)Includes pre-development costs.

X
- 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
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: 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=123405975&loc=d3e41551-112718 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919398-209981 + Details
Name: | us-gaap_ScheduleOfPropertySubjectToOrAvailableForOperatingLeaseTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=bxp_BostonPropertiesLimitedPartnershipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |