RESIDENTIAL MORTGAGE LOAN SECURITIZATION TRUSTS - Condensed Consolidated Balance Sheets (Details) - USD ($)		Dec. 31, 2018	Dec. 31, 2017
Assets
Residential mortgage loans held in securitization trusts	[1]	$ 0	$ 1,130,874,274
Total assets		679,352,035	2,612,541,116
Liabilities and Equity
Residential 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
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 equity			$ 120,152,455

[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