Stockholder's Equity Parenthetical (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Dividends Paid, per Share	$ 0.99	$ 0.97	$ 0.94
Stock Dividends - Shares	328,323	321,886	468,765
Stock Options Exercised - Shares	58,719	96,471	72,802
Shares Issued Under Directors Stock Plan - Shares	7,643	7,226	7,456
Shares Issued Under the Employee Stock Purchase Plan - Shares	19,679	20,687	20,484
Shares Issued for Dividend Reinvestment Plans - Shares	49,574	74,260	76,447
Purchase of Treasury Stock - Shares	68,361	199,323	251,962
Acquisition of Subsidiary - Shares	9,503	9,356	221,517
Allocation of ESOP Stock - Shares	16,969	16,629	18,216