Mortgage Loans (Schedule of Fair Value, Principal Balance and Weighted Average Coupon and Yield) (Details) (Mortgage Receivable [Member], USD $)	6 Months Ended
	Jun. 30, 2013		Dec. 31, 2012
Mortgage Loans on Real Estate [Line Items]
Fair Value	$ 120,783,425
Principal Balance	151,108,199	[1]
Weighted Average Coupon	4.75%
Weighted Average Yield	6.78%
Performing Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Fair Value	119,574,847
Principal Balance	149,303,096
Weighted Average Coupon
Weighted Average Yield
Fixed [Member]
Mortgage Loans on Real Estate [Line Items]
Fair Value	59,118,932
Principal Balance	75,383,607
Weighted Average Coupon	4.92%
Weighted Average Yield	6.99%
ARM [Member]
Mortgage Loans on Real Estate [Line Items]
Fair Value	60,455,915
Principal Balance	73,919,489
Weighted Average Coupon	4.53%
Weighted Average Yield	6.54%
Nonperforming Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Fair Value	1,208,578
Principal Balance	$ 1,805,103
Weighted Average Coupon	6.52%
Weighted Average Yield	9.27%

[1] Non-Agency RMBS includes an IO with a notional balance of $80.0 million.