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Derivative Instruments and Hedging Activities - Effects on statements of income and consolidated statements of comprehensive income (Details) (USD $)
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3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Amount of Gain Recognized in (Loss) Income | $ 389,087 | $ 229,866 |
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Not Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Amount of Gain Recognized in (Loss) Income | $ (389,087) | $ (229,866) |
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- Details
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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