Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Dividends declared per share (in dollars per share)	$ 0.33	$ 0.30
Treasury stock issued for restricted awards, net of forfeitures	80,455	22,189
Forfeitures of restricted stock, shares	20,976	16,093
Retained Earnings [Member]
Dividends declared per share (in dollars per share)	$ 0.33	$ 0.30
Treasury stock issued for restricted awards, net of forfeitures	80,455	22,189
Forfeitures of restricted stock, shares	20,976	16,093
Treasury Stock [Member]
Treasury stock issued for restricted awards, net of forfeitures	80,455	22,189
Forfeitures of restricted stock, shares	20,976	16,093