Consolidated Statements of Changes in Shareholders Equity (Unaudited) (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash dividends per share on common stock	$ 0.32	$ 0.32
Options exercised, shares		48,365
Nonvested (restricted) shares granted	560,348	407,055
Restricted stock activity, shares	135,912	161,234
Issuance of common stock, shares	0	21,487,860
Capital Surplus
Options exercised, shares		48,365
Nonvested (restricted) shares granted	560,348	407,055
Restricted stock activity, shares	135,912	161,234
Deferred compensation trust, shares	6,582	2,877
Issuance of common stock, shares	0	21,487,860
Retained Earnings
Cash dividends per share on common stock	$ 0.32	$ 0.32
Treasury Stock
Options exercised, shares		48,365
Nonvested (restricted) shares granted	560,348	407,055
Restricted stock activity, shares	135,912	161,234
Deferred compensation trust, shares	6,582	2,877
Issuance of common stock, shares		21,487,860