RESIDENTIAL MORTGAGE LOAN SECURITIZATION TRUSTS - Condensed Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statements of Operations
Net interest income	$ 5,783,761	$ 5,760,431
General and administrative fees	(1,588,572)	(1,632,511)
Unrealized gain (loss) on residential loans held in securitization trusts	(368,343)	(2,554,077)
Net income (loss)	2,369,141	(16,947,614)
Residential mortgage loans
Statements of Operations
Interest income	1,355,438	4,152,406
Interest expense	1,074,352	3,178,442
Net interest income	281,086	973,964
General and administrative fees	(11,844)	(132,418)
Unrealized gain (loss) on residential loans held in securitization trusts	(368,343)	(2,554,077)
Net income (loss)	$ (99,101)	$ (1,712,531)