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- Definition

Debt Instrument, Number Of Loans

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No definition available.

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- Definition

Number of loans count.

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- Definition

Number Of Loans Modified

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- Definition

Number Of Loans Referred

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No definition available.

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- Definition

Proceeds From Loan Origination And Other Loan Receivable Fees

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No definition available.

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- Definition

Proceeds Of Loan Participations

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- Definition

Related Party Transaction, Interest In Loan, Percentage

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No definition available.

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- Definition

Represents repayments of loan participants.

+ References

No definition available.

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- Definition

SEC Schedule, 12-29, Real Estate Companies, Investment In Mortgage Loans On Real Estate, Remaining Amount Of Mortgage

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- Definition

Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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

Face (par) amount of debt instrument at time of issuance.

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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.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Amount of funds committed to investment company from investors.

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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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Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from sale.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Cash inflow associated with loan origination (the process when securing a mortgage for a piece of real property) or lease origination.

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Amount of cash inflow from the sale of other assets as part of operating activities.

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- 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.

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Transactions With Related Parties - Affiliate Transactions (Details) $ in Thousands, € in Millions, £ in Millions	3 Months Ended							12 Months Ended
	Dec. 31, 2025 USD ($) loan	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($) loan	Dec. 31, 2024 USD ($) loan	Sep. 30, 2024 USD ($)	Sep. 30, 2024 EUR (€)	Sep. 30, 2024 GBP (£)	Dec. 31, 2025 USD ($) loan	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2025 USD ($)	Sep. 30, 2024 EUR (€)	Sep. 30, 2024 GBP (£)	Dec. 31, 2021 EUR (€)	Dec. 31, 2019 EUR (€)	Dec. 31, 2018 GBP (£)
Related Party Transaction [Line Items]
Face amount of loans	$ 18,154,768							$ 18,154,768
Investment in unconsolidated entities								207,119	$ 7,200	$ 0
Origination and other fees received on loans receivable								70,713	31,693	17,992
Book Value	$ 217,488			$ 4,452				217,488	4,452	0
Repayment of loan participations								$ 104,028	235,960	0
Bank Loan Portfolio Joint Venture
Related Party Transaction [Line Items]
Ownership percentage	35.00%							35.00%
Book Value	$ 111,010			$ 0				$ 111,010	$ 0
Bank Loan Portfolio Joint Venture 1
Related Party Transaction [Line Items]
Investment in unconsolidated entities			$ 57,600
Ownership percentage			29.00%
Bank Loan Portfolio Joint Venture 2
Related Party Transaction [Line Items]
Investment in unconsolidated entities		$ 44,700
Ownership percentage		50.00%
Net Lease Joint Venture
Related Party Transaction [Line Items]
Ownership percentage	75.00%			75.00%				75.00%	75.00%
Book Value	$ 106,478			$ 4,452				$ 106,478	$ 4,452	$ 0
Securitized debt obligations, net
Related Party Transaction [Line Items]
Face Value	2,149,496			1,936,967				2,149,496	1,936,967
Principal Balance, collateral assets	2,622,021			2,552,403				2,622,021	2,552,403
B-8 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Maximum borrowing capacity	700,000							700,000
B-6 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Maximum borrowing capacity	1,000,000		$ 1,000,000					1,000,000
B-5 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Maximum borrowing capacity				650,000					650,000
December 2024 \| Senior secured notes, net
Related Party Transaction [Line Items]
Face Value				$ 450,000					450,000
2025 FL5 Underlying Collateral Assets \| Securitized debt obligations, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets											$ 1,000,000
B-7 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Maximum borrowing capacity	$ 453,100	$ 453,100						453,100
Related Party
Related Party Transaction [Line Items]
Face amount of loans		606,000	$ 1,400,000		$ 94,400								£ 303.5	€ 350.0	€ 350.0	£ 148.7
Related party transaction, interest in loan, percentage					17.00%	17.00%	17.00%
Selling loan amount \| €						€ 232.0
Remaining loan amount in new lenders \| €												€ 347.0
Repayment of loan participations					$ 46,400
Related Party \| Senior Participations
Related Party Transaction [Line Items]
Proceeds of loan participations \| £							£ 100.0
Related Party \| Senior Loans
Related Party Transaction [Line Items]
Face amount of loans					$ 560,000
Agency Multifamily Lending Partnership \| Related Party
Related Party Transaction [Line Items]
Number of loans referred \| loan				3
Origination and other fees received on loans receivable				$ 217
Blackstone-Advised Investment Vehicles, or the Funds
Related Party Transaction [Line Items]
Proceeds from sale of assets									59,000
Blackstone-Advised Investment Vehicles, or the Funds \| Senior Loans, Blackstone-Advised Investment Vehicle
Related Party Transaction [Line Items]
Number of loans modified \| loan			3
Blackstone-Advised Investment Vehicles, or the Funds \| Performing Loans, Blackstone-Advised Investment Vehicle
Related Party Transaction [Line Items]
Origination and other fees received on loans receivable								$ 899,100	98,600
Number of loans count \| loan	5							5
Blackstone-Advised Investment Vehicles, or the Funds \| Performing Loan
Related Party Transaction [Line Items]
Origination and other fees received on loans receivable								$ 148,800
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party
Related Party Transaction [Line Items]
Capital commitment	$ 75,000
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| Senior Loans
Related Party Transaction [Line Items]
Face Value	1,700,000							$ 1,700,000
Count, financing provided \| loan								10
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| Mezzanine Loan
Related Party Transaction [Line Items]
Face Value	122,100							$ 122,100
Count, financing provided \| loan								4
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| B-8 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets	$ 63,000							$ 63,000
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| B-6 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets			$ 83,900
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| B-5 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets				62,500					62,500
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| December 2024 \| Senior secured notes, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets				$ 80,000					$ 80,000
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| 2025 FL5 Underlying Collateral Assets \| Securitized debt obligations, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets											$ 75,000
Blackstone-Advised Investment Vehicles, or the Funds \| Related Party \| B-7 Term Loan \| Secured term loans, net
Related Party Transaction [Line Items]
Principal Balance, collateral assets		$ 33,000