Contractual Sales Price

No definition available.

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- Definition

Number of floors

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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+ Details

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- Definition

Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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- Definition

Net rentable area for properties owned.

+ References

No definition available.

+ Details

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Cash inflow related to amounts received in advance from a potential buyer showing or confirming an intention to complete an acquisition of land, buildings, other structures, or any item classified as real estate.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details

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- Details

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Subsequent Events (Details) $ in Thousands	Jul. 22, 2024 USD ($)	Jul. 18, 2024 ft²	Jul. 17, 2024 USD ($)	Jul. 12, 2024 ft²	Jun. 30, 2024 ft² Real_Estate_Properties	May 07, 2024 USD ($) ft²
Office Tower Developer LLC
Subsequent Event [Line Items]
Ownership Percentage					50.00%
PR II BXP Reston Gateway LLC
Subsequent Event [Line Items]
Ownership Percentage					20.00%
Construction in Progress
Subsequent Event [Line Items]
Net Rentable Area (in sf) \| ft²					3,100,000
Number of real estate properties \| Real_Estate_Properties					10
Residential Building
Subsequent Event [Line Items]
Number of real estate properties \| Real_Estate_Properties					7
Residential Building \| Construction in Progress
Subsequent Event [Line Items]
Number of real estate properties \| Real_Estate_Properties					2
Shady Grove Innovation District [Member]
Subsequent Event [Line Items]
Net Rentable Area (in sf) \| ft²						143,000
Contractual Sales Price \| $						$ 24,800
Number of real estate properties						2
Subsequent Event [Member] \| Skymark \| Residential Building \| Construction in Progress \| Unconsolidated Properties \| PR II BXP Reston Gateway LLC
Subsequent Event [Line Items]
Ownership Percentage				20.00%
Number of Units in Real Estate Property				508
Net Rentable Area (in sf) \| ft²				417,000
Subsequent Event [Member] \| Low Rise Property
Subsequent Event [Line Items]
Number of floors				5
Subsequent Event [Member] \| Tower Property
Subsequent Event [Line Items]
Number of floors				39
Subsequent Event [Member] \| 100 Causeway Street [Member] \| Unconsolidated Properties \| Office Tower Developer LLC
Subsequent Event [Line Items]
Ownership Percentage		50.00%
Net Rentable Area (in sf) \| ft²		634,000
Debt \| $			$ 333,600
Subsequent Event [Member] \| 100 Causeway Street [Member] \| Unconsolidated Properties \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Office Tower Developer LLC
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.48%
Subsequent Event [Member] \| 100 Causeway Street [Member] \| Extended Maturity \| Unconsolidated Properties \| Office Tower Developer LLC
Subsequent Event [Line Items]
Long-Term Debt, Term		1 year
Debt Instrument, Maturity Date		Sep. 05, 2025
Subsequent Event [Member] \| 100 Causeway Street [Member] \| Extended Maturity \| Unconsolidated Properties \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Office Tower Developer LLC
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.48%
Subsequent Event [Member] \| Shady Grove Innovation District [Member]
Subsequent Event [Line Items]
Contractual Sales Price \| $	$ 24,700
Proceeds from Deposits on Real Estate Sales \| $	$ 2,500