THE FREMF TRUSTS (Details) - USD ($)		Sep. 30, 2016	Dec. 31, 2015
Assets
Multi-family mortgage loans held in securitization trusts	[1]	$ 1,267,101,902	$ 1,449,774,383
Total assets	[1]	2,305,574,444	2,498,366,661
Liabilities and Equity
Multi-family securitized debt obligations	[1]	1,249,163,769	1,364,077,012
Liabilities	[1]	2,155,965,417	2,320,872,133
Equity	[1]	149,609,027	177,494,528
Total liabilities and equity	[1]	2,305,574,444	2,498,366,661
FREMF trusts [Member]
Assets
Multi-family mortgage loans held in securitization trusts		1,267,101,902	1,449,774,383
Receivables		4,652,638	5,380,956
Total assets		1,271,754,540	1,455,155,339
Liabilities and Equity
Multi-family securitized debt obligations		1,249,163,769	1,364,077,012
Payables		4,634,039	5,047,777
Liabilities		1,253,797,808	1,369,124,789
Equity		17,956,732	86,030,550
Total liabilities and equity		$ 1,271,754,540	$ 1,455,155,339

[1] Our consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIE's) as the Company is the primary beneficiary of these VIEs. As of September 30, 2016 and December 31, 2015, assets of consolidated VIEs totaled $1,425,612,641 and $1,868,482,556, respectively, and the liabilities of consolidated VIEs totaled $1,401,605,297 and $1,750,916,265, respectively