Real Estate Securities and Other Investment Securities (Schedule of Information Regarding Real Estate Securities) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Alternative - A [Member]
Investment Holdings [Line Items]
Principal or Notional Balance	$ 118,547,109	[1]	$ 160,590,487	[2]
Premium (Discount)	(58,583,222)	[1]	(80,206,745)	[2]
Amortized Cost	59,963,887	[1]	80,383,742	[2]
Gross Unrealized
Gains	1,916,611	[1],[3]	2,414,864	[2],[4]
Losses	(583,958)	[1],[3]	(1,112,077)	[2],[4]
Fair Value	61,296,540	[1]	81,686,529	[2]
Weighted Average Coupon	3.44%	[1]	4.26%	[2]
Weighted Average Yield	7.03%	[1],[5]	6.77%	[2],[5]
Pay Option Adjustable Rate [Member]
Investment Holdings [Line Items]
Principal or Notional Balance	58,122,808		34,374,028
Premium (Discount)	(11,491,663)		(7,057,026)
Amortized Cost	46,631,145		27,317,002
Gross Unrealized
Gains	80,848	[3]	464,756	[4]
Losses	(1,170,668)	[3]	(345,915)	[4]
Fair Value	45,541,325		27,435,843
Weighted Average Coupon	0.93%		0.76%
Weighted Average Yield	6.12%	[5]	6.80%	[5]
Prime [Member]
Investment Holdings [Line Items]
Principal or Notional Balance	43,803,995		109,136,108
Premium (Discount)	(6,219,091)		(13,590,489)
Amortized Cost	37,584,904		95,545,619
Gross Unrealized
Gains	1,545,452	[3]	3,751,248	[4]
Losses	(65,280)	[3]	(767,825)	[4]
Fair Value	39,065,076		98,529,042
Weighted Average Coupon	3.60%		4.77%
Weighted Average Yield	6.79%	[5]	6.45%	[5]
Subprime [Member]
Investment Holdings [Line Items]
Principal or Notional Balance	6,028,003		20,140,974
Premium (Discount)	(3,290,867)		(1,894,417)
Amortized Cost	2,737,136		18,246,557
Gross Unrealized
Gains		[3]	536,407	[4]
Losses	(54,344)	[3]	(279,157)	[4]
Fair Value	2,682,792		18,503,807
Weighted Average Coupon	0.33%		1.07%
Weighted Average Yield	16.98%	[5]	5.97%	[5]
Total RMBS [Member]
Investment Holdings [Line Items]
Principal or Notional Balance	226,501,915		324,241,597
Premium (Discount)	(79,584,843)		(102,748,677)
Amortized Cost	146,917,072		221,492,920
Gross Unrealized
Gains	3,542,911	[3]	7,167,275	[4]
Losses	(1,874,250)	[3]	(2,504,974)	[4]
Fair Value	148,585,733		226,155,221
Weighted Average Coupon	2.62%		3.80%
Weighted Average Yield	6.96%	[5]	6.57%	[5]
Other Investment Securities [Member]
Investment Holdings [Line Items]
Principal or Notional Balance	2,250,000
Premium (Discount)	16,756
Amortized Cost	2,266,756	[6]
Gross Unrealized
Gains		[3]
Losses	(226,224)	[3]
Fair Value	$ 2,040,532	[6]
Weighted Average Coupon	3.92%
Weighted Average Yield	5.90%	[5]

[1] Alternative – A RMBS includes an IO with a notional balance of $48.6 million.

[2] Alternative – A RMBS includes an IO with a notional balance of $64.3 million.

[3] The Company has elected the fair value option pursuant to ASC 825 for its real estate securities and Other Investment Securities. The Company recorded a loss of $3.0 million for the year ended December 31, 2014, as change in unrealized gain or loss on real estate securities in the consolidated statements of operations. The Company also recorded a loss of $0.2 million for the year ended December 31, 2014, as change in unrealized gain or loss on Other Investment Securities in the consolidated statements of operations.

[4] The Company has elected the fair value option pursuant to ASC 825 for its real estate securities.

[5] Unleveraged yield.

[6] Actual maturities of Other Investment 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.