Securities Repurchase Agreements (Schedule of Certain Information Regarding Repurchase Agreements) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Non-Agency RMBS [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance	$ 101,553,292	$ 138,591,678
Weighted Average Rate	1.57%	1.89%
Other Investment Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance	1,460,813
Weighted Average Rate	1.66%
30 Days or Less [Member] | Non-Agency RMBS [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance	101,553,292	121,913,678
Weighted Average Rate	1.57%	1.90%
30 Days or Less [Member] | Other Investment Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance	1,460,813
Weighted Average Rate	1.66%
31-60 Days [Member] | Non-Agency RMBS [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance		6,415,000
Weighted Average Rate		1.84%
31-60 Days [Member] | Other Investment Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance
Weighted Average Rate
61-90 Days [Member] | Non-Agency RMBS [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance		10,263,000
Weighted Average Rate		1.85%
61-90 Days [Member] | Other Investment Securities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Balance
Weighted Average Rate