THE FREMF TRUSTS - Condensed Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Variable Interest Entity [Line Items]
Net interest income	$ 4,175,642	$ 4,206,547
Unrealized gain on multi-family loans held in securitization trusts	0	694,339
Net income	$ 1,551,671	1,474,767
FREMF Trusts
Variable Interest Entity [Line Items]
Interest income		78,361
Net interest income		78,361
Realized (loss) on multi-family loans held in securitization trusts		(709,439)
Unrealized gain on multi-family loans held in securitization trusts		694,339
Net income		$ 63,261

Realized Gain (Loss) On Multifamily Loans Held In Securitization Trust

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Amount of unrealized gain loss on multi-family loans held in securitization trusts that was included in earnings for the period.

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Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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The net amount of operating interest income (expense).

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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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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