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Investments in Equity Affiliates (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	$ 76,312	$ 79,303
UPB of Loans to Equity Affiliates	167,393
Arbor Residential Investor LLC
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	23,868	32,743
UPB of Loans to Equity Affiliates	0
AMAC Holdings III LLC
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	15,413	13,591
UPB of Loans to Equity Affiliates	35,410
Fifth Wall Ventures
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	14,490	13,365
UPB of Loans to Equity Affiliates	0
AWC Real Estate Opportunity Partners I LP
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	13,562	11,671
UPB of Loans to Equity Affiliates	108,450	13,200
ARSR DPREF I LLC
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	5,603	5,163
UPB of Loans to Equity Affiliates	0
Lightstone Value Plus REIT L.P.
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	1,895	1,895
UPB of Loans to Equity Affiliates	0
The Park at Via Terrossa
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	606	0
UPB of Loans to Equity Affiliates	21,845
Docsumo Pte. Ltd.
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	450	450
UPB of Loans to Equity Affiliates	0
JT Prime
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	425	425
UPB of Loans to Equity Affiliates	0
West Shore Café
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	0	0
UPB of Loans to Equity Affiliates	1,688
Lexford Portfolio
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	0	0
UPB of Loans to Equity Affiliates	0
East River Portfolio
Investments in and Advances to Affiliates [Line Items]
Investment in Equity Affiliates	0	$ 0
UPB of Loans to Equity Affiliates	$ 0

X

- Definition

Amount of outstanding principal on mortgage loans due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

No definition available.

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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(18))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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