RESIDENTIAL MORTGAGE LOAN SECURITIZATION TRUSTS - Condensed Consolidated Balance Sheets (Details) - USD ($)		Jun. 30, 2017	Dec. 31, 2016
Assets
Residential mortgage loans held in securitization trusts	[1]	$ 1,175,419,031	$ 1,222,905,433
Total assets	[1]	2,633,713,110	2,299,601,203
Liabilities and Equity
Residential securitized debt obligations	[1]	1,154,997,075	1,204,583,678
Total liabilities	[1]	2,476,831,245	2,157,134,338
Equity	[1]	156,881,865	142,466,865
Total liabilities and stockholders' equity	[1]	2,633,713,110	2,299,601,203
Residential mortgage loans
Assets
Residential mortgage loans held in securitization trusts		128,679,142	141,126,720
Receivables		429,836	471,146
Total assets		129,108,978	141,597,866
Liabilities and Equity
Residential securitized debt obligations		123,007,454	134,846,348
Payables		345,126	376,697
Total liabilities		123,352,580	135,223,045
Equity		5,756,398	6,374,821
Total liabilities and stockholders' equity		$ 129,108,978	$ 141,597,866

[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 June 30, 2017 and December 31, 2016, assets of consolidated VIEs totaled $1,308,989,628 and $1,369,120,941 respectively, and the liabilities of consolidated VIEs totaled $1,282,788,661 and $1,344,404,080 respectively