Stockholders Equity Parenthetical (Parentheticals) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Dividends Paid, per Share, in dollars per share	$ 0.50	$ 0.49
Stock Options Exercised, in shares	23,685	52,502
Shares Issued Under the Directors Stock Plan - Shares, in shares	4,255	3,667
Shares Issued Under the Employee Stock Purchase Plan - Shares, in shares	10,402	10,377
Shares Issued for Dividend Reinvestment Plans - Shares, in shares	17,323	38,227
Purchase of Treasury Stock - Shares, in shares	54,231	120,117
Acquisition of Subsidiary - Shares, in shares	9,503	5,426
Allocation of ESOP Stock - Shares, in shares	7,718	12,291