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Fair Value Measurements (Schedule of Quantitative Information about Level 3 Fair Value Measurements) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value Measurements [Abstract]
Derivatives	$ 1,740,235	$ 1,295,613	$ 1,886,652

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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