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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Other comprehensive income, net of taxes
Unrealized (losses) gains for the period on available-for-sale securities, taxes	$ 0	$ 0
Reclassification adjustment for gains included in net income on available for sale securities, taxes	$ 0	$ 0

Tax effect on the reclassification adjustment for gains or losses realized upon the sale of securities during the period.

Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.