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Multi-family Loans - Carrying Value (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Preferred equity and mezzanine loan investments		$ 180,045
Consolidated K-Series	$ 0	17,816,746
Total	163,593	17,996,791
Multi-family Loans Held In Securitization Trusts, At Fair Value
Variable Interest Entity [Line Items]
Preferred equity and mezzanine loan investments	$ 163,593	$ 180,045

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- Definition

Financial Instrument Owned, Loans And Preferred Equity, Net

+ References

No definition available.

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- Definition

The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

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Fair value of firm holdings in securities classified as other. Includes pledged and unpledged holdings.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
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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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