Other Comprehensive Income Loss (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Other comprehensive income (loss) (Textual) [Abstract]
Reclassification adjustment for gains realized in income	$ (3,555)	$ (201)	$ (3,969)	$ (1,504)
Other than temporary impairment of securities available for sale		$ 28	$ 0	$ 38

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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+ Details

- Definition

Before tax amount of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

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