THE FREMF TRUSTS - Condensed Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statements of Operations
Net interest income	$ 4,827,921	$ 5,772,070	$ 10,611,682	$ 11,532,501
General and administrative fees	(1,243,257)	(1,679,132)	(2,831,829)	(3,311,643)
Unrealized gain (loss) on multi-family loans held in securitization trusts			2,102,836	(6,535,151)
Net income (loss)	(2,296,571)	(7,799,801)	72,570	(24,747,415)
FREMF Trusts
Statements of Operations
Interest income	13,569,574	14,692,902	27,518,328	30,130,706
Interest expense	12,862,356	13,814,743	26,100,080	27,927,452
Net interest income	707,218	878,159	1,418,248	2,203,254
General and administrative fees	(639,615)	(679,217)	(1,288,549)	(1,382,700)
Unrealized gain (loss) on multi-family loans held in securitization trusts	803,206	(8,071,468)	2,102,836	(6,535,151)
Net income (loss)	$ 870,809	$ (7,872,526)	$ 2,232,535	$ (5,714,597)