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- Definition

Extension Option (in years)

+ References

No definition available.

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Line of Credit, Additional Borrowing Capacity

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Number of Additional Term Loans

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No definition available.

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Number of extensions

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No definition available.

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- Definition

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

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No definition available.

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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.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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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.

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- Definition

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

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- Definition

Fixed interest rate related to the interest rate derivative.

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No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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Amount of cash inflow from debt classified as other.

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Amount of cash outflow for the payment of debt classified as other.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Unsecured Term Loans (Details) $ in Thousands						12 Months Ended
Unsecured Term Loans (Details) $ in Thousands	Dec. 31, 2024 USD ($) Rate	Sep. 27, 2024 USD ($) Rate	May 16, 2024	Apr. 29, 2024 USD ($)	Jan. 04, 2023 USD ($) mo Rate	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Borrowings on unsecured term loans \| $						$ 0	$ 1,200,000	$ 730,000
Repayment of unsecured term loans \| $						500,000	730,000	0
Repayments of Unsecured Debt \| $						700,000	500,000	$ 0
Unsecured term loans, net \| $	$ 798,813					$ 798,813	1,198,301
Santa Monica Business Park [Member]
Debt Instrument [Line Items]
Debt \| $		$ 200,000
Maximum [Member] \| Santa Monica Business Park [Member] \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, Fixed Interest Rate	2.688%					2.688%
Minimum [Member] \| Santa Monica Business Park [Member] \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, Fixed Interest Rate	2.661%					2.661%
2023 Unsecured Term Loan
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity \| $					$ 1,200,000
Borrowings on unsecured term loans \| $					1,200,000
Repayment of unsecured term loans \| $				$ 500,000
Line of Credit, Additional Borrowing Capacity \| $					$ 300,000
Number of extensions					1
Extension Option (in months) \| mo					12
Debt Instrument, Interest Rate Terms					At BPLP’s option, loans under the 2023 Unsecured Term Loan will bear interest at a rate per annum equal to (1) a base rate equal to the greatest of (a) the Federal Funds rate plus 0.5%, (b) the administrative agent’s prime rate, (c) Term SOFR for a one-month period plus 1.00%, and (d) 1.00%, in each case, plus a margin ranging from 0 to 60 basis points based on BPLP’s credit rating; or (2) a rate equal to adjusted Term SOFR with a one-month period plus a margin ranging from 75 to 160 basis points based on BPLP’s credit rating.
Debt Instrument, Interest Rate, Stated Percentage					1.00%
Debt \| $	$ 700,000					$ 700,000	$ 1,200,000
2023 Unsecured Term Loan \| Extended Maturity
Debt Instrument [Line Items]
Debt Instrument, Maturity Date			May 16, 2025		May 16, 2024
2023 Unsecured Term Loan \| Minimum [Member]
Debt Instrument [Line Items]
Number of Additional Term Loans					1
2023 Unsecured Term Loan \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.50%
2023 Unsecured Term Loan \| Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.60%
2023 Unsecured Term Loan \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.00%
2023 Unsecured Term Loan \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.00%
2023 Unsecured Term Loan \| Daily Simple Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.05%
2023 Unsecured Term Loan \| Adjusted Term Secured Overnight Financing Rate (Adjusted Term SOFR) \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					1.60%
2023 Unsecured Term Loan \| Adjusted Term Secured Overnight Financing Rate (Adjusted Term SOFR) \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate					0.75%
2024 Unsecured Term Loan
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity \| $		100,000
Borrowings on unsecured term loans \| $		$ 100,000
Number of extensions		3
Debt Instrument, Interest Rate Terms		At BPLP’s option, loans under the 2024 Unsecured Term Loan will bear interest at a rate per annum equal to (1) a base rate equal to the highest of (a) zero, (b) Prime Rate, (c) the Federal Funds effective rate plus 0.50%, and (d) Term SOFR for a one-month period plus 1.10%, in each case, plus a margin ranging from 0 to 60 basis points based on BPLP’s credit rating; or (2) a rate equal to adjusted Term SOFR or Daily Simple SOFR with a one-month period plus, a margin ranging from 75 to 160 basis points based on BPLP’s credit rating.
Debt \| $	$ 100,000					$ 100,000
Extension Option (in years)		1
2024 Unsecured Term Loan \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, Fixed Interest Rate		2.688%
2024 Unsecured Term Loan \| Maximum [Member] \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, Fixed Interest Rate	2.688%					2.688%
2024 Unsecured Term Loan \| Minimum [Member] \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, Fixed Interest Rate	2.688%					2.688%
2024 Unsecured Term Loan \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.50%
2024 Unsecured Term Loan \| Base Rate [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		0.00%
2024 Unsecured Term Loan \| Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.60%
2024 Unsecured Term Loan \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.00%
2024 Unsecured Term Loan \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.10%
2024 Unsecured Term Loan \| Daily Simple Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.05%
2024 Unsecured Term Loan \| Daily Simple Secured Overnight Financing Rate (SOFR) \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.60%
2024 Unsecured Term Loan \| Daily Simple Secured Overnight Financing Rate (SOFR) \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.75%