Stockholders Equity Parenthetical (Parentheticals) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Dividends Paid, per Share, in dollars per share	$ 0.25	$ 0.25
Stock Options Exercised, in shares	23,434	52,502
Shares Issued Under the Directors Stock Plan - Shares, in shares	396	0
Shares Issued Under the Employee Stock Purchase Plan - Shares, in shares	4,683	4,542
Shares Issued for Dividend Reinvestment Plans - Shares, in shares	0	19,032
Purchase of Treasury Stock - Shares, in shares	54,231	160,445
Acquisition of Subsidiary - Shares, in shares	3,757	3,724
Allocation of ESOP Stock - Shares, in shares	7,718	7,563