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Fair Value (Details 3) (USD $)	9 Months Ended
	Sep. 30, 2014
Available-for-sale Securities
Adjustments to fair value:
Gain (loss) on sale of investments and settlement of derivative financial instruments	$ 500,000
Available-for-sale Securities | Recurring basis | Level 3
Financial assets
Balance at the beginning of the period	36,580,786
Adjustments to fair value:
Paydowns	(663,684)
Net changes in fair value	(100,000)
Sales and settlements	(33,817,102)
Balance at the end of the period	2,000,000
Forward Contracts
Adjustments to fair value:
Gain (loss) on sale of investments and settlement of derivative financial instruments	100,000
Forward Contracts | Recurring basis | Level 3
Financial assets
Balance at the beginning of the period	6,396,853
Adjustments to fair value:
Paydowns	1,483,387
Net changes in fair value	511,012
Sales and settlements	(8,391,252)
Addition from decrease in amount financed under repurchase agreement	$ 1,700,000

X

- Definition

The increase of financial instruments classified as an asset measured using unobservable inputs from the decrease in the amount financed under the respective repurchase agreement.

+ References

No definition available.

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- Definition

Amount of realized and unrealized gain (loss) included in earnings, which have arisen from the use of significant unobservable inputs (level 3) to measure fair value of assets, liabilities, and financial instruments classified in shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Amount of increase (decrease) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

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