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Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements Of Changes In Stockholders' Equity [Abstract]
Cash dividends accrued	5.00%	5.00%	5.00%

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- Definition

Cash Dividends Accrued, Percentage

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