Related Party Transactions (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Related Party Transaction [Line Items]
Advisory fee - related party	$ 488,385	$ 227,295
Maximum offering expenses	1,200,000
Acquisitions of real estate securities	296,721,567	65,083,042
ZAIS Group, LLC [Member]
Related Party Transaction [Line Items]
Advisory fee, rate	1.50%
Advisory fee - related party	488,385	227,295
Advisory fees due to related party	488,385
Related party receivables	1,000,000
Principal balance of securities acquired	17,400,000
Acquisitions of real estate securities	$ 15,700,000