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Derivative Financial Instruments (Details Textual) (Cash Flow Hedging [Member], Interest Rate Contract [Member], USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flow Hedging [Member] \| Interest Rate Contract [Member]
Derivative Financial Instruments (Textual) [Abstract]
Interest rate hedges designated and qualifying as a cash flow hedge	$ 1,000	$ 32,000

- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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