Numbers of operating partnership units issued or issuable in consideration for the business combination.

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The amount of mortgage loans converted to mezzanine loans during the reporting period.

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No definition available.

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Length of the extension period of the debt instrument.

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No definition available.

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Represents information pertaining to the percentage of indirect ownership in a business.

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No definition available.

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Represents the percentage of noncontrolling interest in the equity method investment acquired by the entity.

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No definition available.

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Minimum variable interest rate for loans receivable.

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No definition available.

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Represents the fixed interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

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No definition available.

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- Definition

The number of multifamily properties renovated.

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Number of Officers

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No definition available.

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Represents the maximum percentage of ownership interest of the Company's common stock allowed under the company's charter.

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No definition available.

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Represents the cash outflow during the reporting period in respect of payments for loans and investments funded and purchased by the reporting entity.

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No definition available.

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Amount of Payments To Purchase Property.

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The percentage of equity participation interest.

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Represent information pertaining to percentage of loan assumption fee.

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Represents information pertaining to percentage of maximum loss-sharing obligation unpaid principal balance.

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Represents the percentage of outstanding membership interest of a related party in another related party.

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The minimum amount the entity agreed to fund under the related party commitment.

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Represents the percentage of ownership of common stock or equity participation owned by related party.

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Represent information pertaining to related party, percentage of management.

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Represents the number of bridge loan originated with relevant mortgage property owned by related parties.

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Represents the number of mortgage loans secured by property purchased from the related party.

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Represents the percentage of voting power held by a related party.

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Represents the number of common shares held by a related party.

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The upsized amount the entity agreed to fund under the related party commitment.

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No definition available.

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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 collection of principal.

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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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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer. Depending on the servicing contract, those fees may include some or all of the difference between the interest rate collected on the asset being serviced and the rate to be paid to the beneficial owners of the asset.

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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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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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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

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

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The fair value of loans assumed in noncash investing or financing activities.

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Percentage added to reference rate used to compute variable rate on loan receivable.

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No definition available.

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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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

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No definition available.

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The percentage charged for managing real estate properties.

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No definition available.

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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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Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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No definition available.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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Agreements and Transactions with Related Parties - Other Related Party (Details) $ in Thousands		1 Months Ended								3 Months Ended	12 Months Ended
	Jul. 01, 2023	Jan. 31, 2024	May 31, 2023 USD ($) officer	Apr. 30, 2023 USD ($)	Jul. 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) property	Jan. 31, 2019 USD ($)	Jun. 30, 2023	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) loan property	Dec. 31, 2017 USD ($) property loan	Dec. 31, 2016	Dec. 31, 2015 USD ($)	Nov. 30, 2023 USD ($)	Feb. 28, 2022 USD ($)
Agreements and Transactions with Related Parties
Interest income											$ 1,331,219	$ 948,401	$ 466,087
Investment made											1,362,171	5,955,061	9,209,475
Income from equity affiliates											24,281	14,247	34,567
Servicing revenue											$ 193,542	152,068	133,429
Indirect ownership percentage											9.20%
Paydowns of principal made by borrower											$ 3,354,055	3,818,554	2,516,771
Lexford Portfolio
Agreements and Transactions with Related Parties
Distribution received											12,200	11,100
Mezzanine Loans \| Other Related Party Transactions \| Subsequent Event
Agreements and Transactions with Related Parties
Extension of maturity date (in years)		1 year
Bridge Loans
Agreements and Transactions with Related Parties
Variable rate, spread (as a percent)										3.40%
Bridge loan, six multifamily properties \| Other Related Party Transactions
Agreements and Transactions with Related Parties
UPB converted to a mezzanine loan									$ 2,000
Related Party \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Amount invested							$ 4,200						$ 4,200
Income from equity affiliates											12,200	11,100
Maximum exposure under guaranty											600,000
Related Party \| Other Related Party Transactions \| LLC
Agreements and Transactions with Related Parties
Ownership interest (as a percent)							49.30%						49.30%
Related Party \| Other Related Party Transactions \| AMAC III
Agreements and Transactions with Related Parties
Interest income											3,100	1,900	$ 1,300
Amount invested											25,900				$ 30,000
Ownership interest (as a percent)															18.00%
Income from equity affiliates											1,900	2,400	1,300
Distribution received											$ 1,100	500
Related Party \| Other Related Party Transactions \| Lexford Portfolio
Agreements and Transactions with Related Parties
Management fee, percentage of gross revenues of underlying properties											4.75%
Related Party \| CMBS/Conduit \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Loans assumed							$ 26,000
Related Party \| Residential mortgage banking business \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Income from equity affiliates											$ 600	4,900	34,600
Acquisition purchase price																			$ 9,600
Noncontrolling interest in equity method investment acquired (as a percent)																			50.00%
Indirect ownership percentage																			12.30%
Related Party \| ACM Acquisition \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Distribution received											$ 15,000	23,800
Number of shares held by related party (in shares) \| shares											2,535,870
OP units hold as part of acquisition (in shares) \| shares											10,615,085
Aggregate percentage of voting power held by related party											6.40%
Related Party \| Retail property \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Property purchased							$ 32,500						32,500
Related Party \| Multifamily \| Fannie Mae Mortgage \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount																	$ 46,900
Percentage of ownership interest of related party in the entity																	17.60%
Percentage of maximum loss-sharing obligation unpaid principal balance																	5.00%
Servicing revenue																	$ 100
Related Party \| Maturity date of March 2025 \| Secured Overnight Financing Rate (SOFR) \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)					5.50%
Related Party \| Mature date of April 2030 \| Multifamily \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Number of properties owned \| property								2						2
Related Party \| Maturity Date Of June 2021 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income														$ 500
Related Party \| Maturity date of March 2030 \| Private Label \| Other Related Party Transactions \| Lexford Portfolio
Agreements and Transactions with Related Parties
Principal amount															$ 34,600
Fixed rate of interest (as a percent)															3.30%
Related Party \| Preferred equity investments \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Equity investment											$ 10,000
Related Party \| Preferred equity investments \| Single- Family Rental \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Investment made														$ 4,600
Related Party \| Preferred equity investments \| Matures in April 2023 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Fixed rate of interest (as a percent)														12.00%
Related Party \| Preferred equity investments \| Maturity date of September 2019 \| Multifamily \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Equity investment								$ 3,400						$ 3,400
Related Party \| Mezzanine Loans \| Other Related Party Transactions \| AMAC III
Agreements and Transactions with Related Parties
Principal amount															$ 7,000
Related Party \| Mezzanine Loans \| Single- Family Rental \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income											300	300	300
Related Party \| Mezzanine Loans \| Mature date of April 2030 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Fixed rate of interest (as a percent)														9.00%
Related Party \| Bridge Loans \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount											35,000
Equity participation interest (as a percentage)								18.90%						18.90%
Related Party \| Bridge Loans \| Other Related Party Transactions \| AMAC III
Agreements and Transactions with Related Parties
Principal amount															34,000
Related Party \| Bridge Loans \| Single- Family Rental \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Loan committed								$ 32,500			31,400			$ 30,500
Interest income													1,300
Investment made								$ 3,500
Loan committed upsized				$ 38,800																$ 39,900
Related Party \| Bridge Loans \| Matures in December 2025
Agreements and Transactions with Related Parties
Interest income			$ 400
Related Party \| Bridge Loans \| Matures in December 2025 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount			56,900
Loan committed			$ 6,000
Number of officers \| officer			2
Equity investment			$ 500
Equity participation interest (as a percentage)			4.00%
Related Party \| Bridge Loans \| Matures in December 2025 \| Secured Overnight Financing Rate (SOFR) \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)			5.50%
LIBOR floor (as a percentage)			3.25%
Related Party \| Bridge Loans \| Maturity date of March 2025
Agreements and Transactions with Related Parties
Interest income											200
Related Party \| Bridge Loans \| Maturity date of March 2025 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount					$ 46,200																$ 39,400
Loan committed					$ 6,300
Interest income											400	100
Related Party \| Bridge Loans \| Maturity date of March 2025 \| Secured Overnight Financing Rate (SOFR) \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Equity participation interest (as a percentage)					70.00%
LIBOR floor (as a percentage)	0.25%
Related Party \| Bridge Loans \| Maturity date of March 2025 \| LIBOR \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Equity participation interest (as a percentage)																					2.25%
Base spread (as a percent)																					4.00%
Related Party \| Bridge Loans \| Maturity date of May 2025 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount						$ 67,100
Loan committed						$ 9,400
Interest income											200	100
Related Party \| Bridge Loans \| Maturity date of May 2025 \| Secured Overnight Financing Rate (SOFR) \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Equity participation interest (as a percentage)						2.25%
Base spread (as a percent)						4.63%
LIBOR floor (as a percentage)						0.25%
Related Party \| Bridge Loans \| Maturity date of March 2024 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Loan committed													63,400
Interest income											5,600	3,700	$ 2,100
Related Party \| Bridge Loans \| Maturity date of March 2024 \| LIBOR \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)							3.75%						3.75%
LIBOR floor (as a percentage)													0.25%
Related Party \| Bridge Loans \| Matures in May 2023 \| Secured Overnight Financing Rate (SOFR) \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)				5.25%
Related Party \| Bridge Loans \| Matures in May 2023 \| LIBOR \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)								5.50%						5.50%
LIBOR floor (as a percentage)				1.00%										0.75%
Amount invested											36,300
Related Party \| Bridge Loans \| Matures in April 2023 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income											3,600		$ 600
Related Party \| Bridge Loans \| Mature date of April 2030 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income												1,600
Related Party \| Bridge Loans \| Maturity Date Of June 2021 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount											280,500
Number of bridge loans originated \| loan																12
Number of multifamily properties renovated \| property																72
Related Party \| Bridge Loans \| Maturity Date Of June 2021 \| Other Related Party Transactions \| Lexford Portfolio
Agreements and Transactions with Related Parties
Base spread (as a percent)																4.00%
Paydowns of principal made by borrower															$ 250,000
Unsecured financing provided by an unsecured lender to certain parent entities of the property owners																$ 50,000
Related Party \| Bridge loan, one multifamily property \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount																$ 21,700
Related Party \| Bridge loan, one multifamily property \| Mature date of April 2030 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount								$ 35,400						$ 35,400
Related Party \| Bridge loan, one multifamily property \| Mature date of April 2030 \| LIBOR \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Variable rate, spread (as a percent)														3.50%
Related Party \| Bridge loan, several multifamily properties \| Maturity Date Of June 2021 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)																4.75%
LIBOR floor (as a percentage)																0.25%
Interest income											$ 2,200	1,400	1,300
Percentage of ownership interest of related party in the entity																75.00%
Related Party \| Bridge loan, two multifamily properties \| Mature date of April 2030 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount								14,800						$ 14,800
Percentage of ownership interest of related party in the entity														50.00%
Related Party \| Bridge loan, two multifamily properties \| Maturity date of fourth quarter 2020 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount																	$ 28,000
Base spread (as a percent)																	5.25%
Interest income													$ 1,900
Percentage of ownership interest of related party in the entity																	45.00%
Number of properties owned \| property																	2
Number of mortgage loans secured by property purchased from related party \| loan																	2
Related Party \| Bridge loan, two multifamily properties \| Maturity date of fourth quarter 2020 \| Minimum \| Other Related Party Transactions
Agreements and Transactions with Related Parties
LIBOR floor (as a percentage)																	1.24%
Related Party \| Bridge loan, two multifamily properties \| Maturity date of fourth quarter 2020 \| Maximum \| Other Related Party Transactions
Agreements and Transactions with Related Parties
LIBOR floor (as a percentage)																	1.54%
Related Party \| Bridge loan, two multifamily properties \| Maturity date of October 2021 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Principal amount								$ 31,100						$ 31,100
LIBOR floor (as a percentage)														1.80%
Related Party \| Bridge loan, two multifamily properties \| Maturity date of October 2021 \| LIBOR \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)								4.00%						4.00%
Related Party \| Bridge loan, two multifamily properties \| Maturity date of 2020 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income												800
Related Party \| Ginkgo Investment Company LLC \| Fannie Mae Mortgage \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Percentage of maximum loss-sharing obligation unpaid principal balance																	20.00%
Servicing revenue																	$ 100
Loan purchased a multifamily apartment complex which assumed																	$ 8,300
Percentage of ownership after transaction											3.60%
Percentage of loan assumption fee																	1.00%
Immediate Family Member of Management or Principal Owner \| Other Related Party Transactions \| LLC
Agreements and Transactions with Related Parties
Ownership interest (as a percent)							10.00%						10.00%
Immediate Family Member of Management or Principal Owner \| Maturity date of March 2025 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Percentage of ownership interest of related party in the entity					10.00%
Immediate Family Member of Management or Principal Owner \| Matures in October 2023 \| Preferred equity interest financing agreement \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income											$ 2,800	1,300
Immediate Family Member of Management or Principal Owner \| Preferred equity investments \| Matures in October 2023 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Fixed rate of interest (as a percent)								12.00%
Immediate Family Member of Management or Principal Owner \| Bridge Loans \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Equity participation interest (as a percentage)								21.80%						21.80%
Immediate Family Member of Management or Principal Owner \| Bridge Loans \| Matures in October 2023 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income													$ 500
Immediate Family Member of Management or Principal Owner \| Bridge Loans \| Matures in October 2023 \| LIBOR \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Base spread (as a percent)								5.50%						5.50%
LIBOR floor (as a percentage)								0.75%
Director \| Ginkgo Investment Company LLC \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Percentage of managing member																	33.00%
Chief Executive Officer \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Percentage of our former Manager's outstanding membership interest of related party in another related party											35.00%
Chief Executive Officer \| Chief Executive Officer \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Ownership interest limit of our common stock under company charter (as a percent)											5.00%
Chief Executive Officer \| Mezzanine Loans \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Fixed rate of interest (as a percent)									10.00%
Chief Executive Officer \| Bridge loan, six multifamily properties \| Maturity date of September 2019 \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Interest income											$ 200	$ 200	$ 200
Chief Executive Officer \| Bridge loan, six multifamily properties \| Maturity date of September 2019 \| Minimum \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Percentage of ownership interest of related party in the entity																		10.50%
Chief Executive Officer \| Bridge loan, six multifamily properties \| Maturity date of September 2019 \| Maximum \| Other Related Party Transactions
Agreements and Transactions with Related Parties
Percentage of ownership interest of related party in the entity																		12.00%