Real Estate Securities (Schedule of Certain Information Regarding Real Estate Securities) (Details) (USD $)	6 Months Ended		12 Months Ended
	Jun. 30, 2013		Dec. 31, 2012
Agency RMBS [Member]
Greater than 5 years
Fair Value	$ 174,502,106	[1]	$ 69,760,032	[1]
Amortized Cost	180,207,388	[1]	67,526,161	[1]
Weighted Average Yield	3.12%	[1]	3.38%	[1]
Fair Value	174,502,106	[1]	69,760,032	[1]
Amortized Cost	180,207,388	[1]	67,526,161	[1]
Weighted Average Yield	3.12%	[1]	3.38%	[1]
Non-Agency RMBS [Member]
Greater than 5 years
Fair Value	270,034,590	[1]	100,911,651	[1]
Amortized Cost	267,235,910	[1]	91,312,484	[1]
Weighted Average Yield	6.49%	[1]	7.63%	[1]
Fair Value	270,034,590	[1]	100,911,651	[1]
Amortized Cost	$ 267,235,910	[1]	$ 91,312,484	[1]
Weighted Average Yield	6.49%	[1]	7.63%	[1]

[1] Actual maturities of real estate securities are generally shorter than stated contractual maturities. Maturities are affected by the contractual lives of the associated mortgage collateral, periodic payments of principal, prepayments of principal and credit losses.