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Stock Dividends (Details) (USD $)	3 Months Ended	6 Months Ended
	Mar. 31, 2012	Jun. 30, 2012
Stock Dividends [Abstract]
Common stock issued under stock compensation plan, shares		496,578
Increase in cash dividend rate	$ 0.01
Cash dividend rate	$ 0.13
Common stock cash dividends	$ 18,794,000
Dividends declared, date		May 24, 2012
Dividends paid, date		Jul. 20, 2012

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- Definition

Amount of increase in cash dividend rate.

+ References

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

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Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for common shareholders during the period.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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