RESIDENTIAL MORTGAGE LOAN SECURITIZATION TRUSTS - Condensed Consolidated Balance Sheets (Details) - USD ($)		Sep. 30, 2018	Dec. 31, 2017
Assets
Residential 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
Residential 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
Residential mortgage loans
Assets
Residential mortgage loans held in securitization trusts			119,756,455
Receivables			396,000
Total Assets			120,152,455
Liabilities and Equity
Residential securitized debt obligations			114,418,318
Payables			320,417
Total Liabilities			114,738,735
Equity			5,413,720
Total liabilities and stockholders' equity			$ 120,152,455

[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