THE FREMF TRUSTS (Details) (USD $)	Mar. 31, 2015		Dec. 31, 2014
Assets
Multi-family mortgage loans held in securitization trusts	$ 1,671,260,380		$ 1,750,294,430
Total assets	2,992,456,404	[1]	2,922,209,557	[1]
Liabilities and Equity
Multi-family securitized debt obligations	1,589,502,264		1,670,573,456
Liabilities	2,783,844,126	[1]	2,709,411,427	[1]
Equity	208,612,278		212,798,130
Total liabilities and equity	2,992,456,404		2,922,209,557
FREMF trusts [Member]
Assets
Multi-family mortgage loans held in securitization trusts	1,671,260,380
Receivables	5,909,867
Total assets	1,677,170,247
Liabilities and Equity
Multi-family securitized debt obligations	1,589,502,264
Payables	5,697,320
Liabilities	1,595,199,584
Equity	81,970,663
Total liabilities and equity	$ 1,677,170,247

[1] Our condensed 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 March 31, 2015 and December 31, 2014, assets of consolidated VIEs totaled $2,235,029,892 and $2,389,784,101, respectively, and the liabilities of consolidated VIEs totaled $2,030,674,136 and $2,180,936,221, respectively