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Investments in Equity Affiliates - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investment in Equity Affiliates
Investment in Equity Affiliates	$ 89,676	$ 74,274
UPB of Loans to Equity Affiliates	1,687
Arbor Residential Investor LLC
Investment in Equity Affiliates
Investment in Equity Affiliates	65,756	59,150
AMAC Holdings III LLC
Investment in Equity Affiliates
Investment in Equity Affiliates	13,772	10,308
Fifth Wall Ventures III
Investment in Equity Affiliates
Investment in Equity Affiliates	5,409
North Vermont Avenue
Investment in Equity Affiliates
Investment in Equity Affiliates	2,419	2,496
Lightstone Value Plus REIT L.P.
Investment in Equity Affiliates
Investment in Equity Affiliates	1,895	1,895
JT Prime
Investment in Equity Affiliates
Investment in Equity Affiliates	425	$ 425
West Shore Cafe
Investment in Equity Affiliates
UPB of Loans to Equity Affiliates	$ 1,687

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- 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.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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