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Investments, Available-For-Sale (Details) (USD $)	3 Months Ended
	Mar. 31, 2011
Investments, Available-For-Sale
Proceeds from sale of available-for-sale investments	$ 14,028,000
Gain on sale of available-for-sale securities	4,000,000
Gross realized gains reclassified from accumulated other comprehensive income	$ 2,600,000

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This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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