THE FREMF TRUSTS - Condensed Consolidated Balance Sheets (Details) - USD ($)		Sep. 30, 2018	Dec. 31, 2017
Assets
Multi-family mortgage loans held in securitization trusts	[1]	$ 24,787,988	$ 1,130,874,274
Total Assets		680,811,728	2,612,541,116
Liabilities and Equity
Multi-family securitized debt obligations	[1]	19,462,838	1,109,204,743
Total Liabilities		528,749,462	2,466,749,839
Equity		152,062,266	145,791,277
Total liabilities and stockholders' equity		680,811,728	2,612,541,116
FREMF Trusts
Assets
Multi-family mortgage loans held in securitization trusts		24,787,988	1,130,874,274
Receivables		110,216	4,377,606
Total Assets		24,898,204	1,135,251,880
Liabilities and Equity
Multi-family securitized debt obligations		19,462,838	1,109,204,743
Payables		103,435	4,352,039
Total Liabilities		19,566,273	1,113,556,782
Equity		5,331,931	21,695,098
Total liabilities and stockholders' equity		$ 24,898,204	$ 1,135,251,880

[1] Our consolidated balance sheets include assets and liabilities of consolidated variable interest entities ("VIEs") as the Company is the primary beneficiary of these VIEs. As of September 30, 2018 and December 31, 2017, assets of consolidated VIEs totaled $24,898,204 and $1,255,404,335 respectively, and the liabilities of consolidated VIEs totaled $19,566,273 and $1,228,295,517 respectively