Unsecured Senior Notes (Narrative) (Details) - USD ($) $ in Thousands |
6 Months Ended | |||
---|---|---|---|---|
Jan. 15, 2025 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Aug. 26, 2024 |
|
Debt Instrument [Line Items] | ||||
Repayments of Unsecured Debt | $ 850,000 | $ 700,000 | ||
Boston Properties Limited Partnership | ||||
Debt Instrument [Line Items] | ||||
Repayments of Unsecured Debt | $ 850,000 | $ 700,000 | ||
3.350% unsecured senior notes | Senior Notes | Boston Properties Limited Partnership | ||||
Debt Instrument [Line Items] | ||||
Debt | $ 850,000 | |||
Debt Instrument, Interest Rate, Stated Percentage | 3.20% | |||
Repayments of Unsecured Debt | $ 863,600 | |||
Debt Instrument, Increase, Accrued Interest | $ 13,600 | |||
5.842% unsecured senior notes | Senior Notes | Boston Properties Limited Partnership | ||||
Debt Instrument [Line Items] | ||||
Debt Instrument, Interest Rate, Stated Percentage | 5.75% |
X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Increase for accrued, but unpaid interest on the debt instrument for the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|