THE FREMF TRUSTS - Condensed Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statements of Operations
Net interest income	$ 4,745,766	$ 6,152,849	$ 15,357,448	$ 17,685,350
General and administrative fees	(1,288,978)	(1,171,421)	(4,120,807)	(4,483,064)
Unrealized gain (loss) on multi-family loans held in securitization trusts			2,797,566	(5,604,839)
Net income (loss)	(4,256,337)	1,850,690	(4,183,767)	(22,896,725)
FREMF Trusts
Statements of Operations
Interest income	13,473,913	14,466,946	40,992,241	44,597,652
Interest expense	12,766,808	13,740,005	38,866,888	41,667,457
Net interest income	707,105	726,941	2,125,353	2,930,195
General and administrative fees	(634,222)	(670,157)	(1,922,771)	(2,052,857)
Unrealized gain (loss) on multi-family loans held in securitization trusts	694,730	930,312	2,797,566	(5,604,839)
Net income (loss)	$ 767,613	$ 987,096	$ 3,000,148	$ (4,727,501)