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Condensed Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Common dividends declared, per share	$ 0.12	$ 0.10
Preferred dividends declared, per share	$ 15.00	$ 15.00
Common stock options exercised, shares	800
Purchase of treasury shares	69,054
Treasury stock shares acquired cost per share	$ 15.55

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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Number of share options (or share units) exercised during the current period.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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-Number 43

-Section B

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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