THE FREMF TRUSTS - Condensed Consolidated Balance Sheets (Details) - USD ($)		Dec. 31, 2018	Dec. 31, 2017
Assets
Cash held in securitization trusts	[1]	$ 24,357,335
Multi-family mortgage loans held in securitization trusts	[1]	0	$ 1,130,874,274
Total assets		679,352,035	2,612,541,116
Liabilities and Equity
Multi-family securitized debt obligations	[1]	19,231,331	1,109,204,743
Total liabilities		529,148,697	2,466,749,839
Equity		150,103,838	145,791,277
Total liabilities and equity		679,352,035	2,612,541,116
FREMF Trusts
Assets
Multi-family mortgage loans held in securitization trusts		0	1,130,874,274
Receivables		24,357,335	4,377,606
Total assets		24,357,335	1,135,251,880
Liabilities and Equity
Multi-family securitized debt obligations		19,231,331	1,109,204,743
Payables		363,855	4,352,039
Total liabilities		19,595,186	1,113,556,782
Equity		4,762,149	21,695,098
Total liabilities and equity		$ 24,357,335	$ 1,135,251,880

[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 December 31, 2018 and December 31, 2017, assets of consolidated VIEs totaled $24,357,335 and $1,255,404,335, respectively, and the liabilities of consolidated VIEs totaled $19,595,186 and $1,228,295,517, respectively