Stock Options and Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2012

Stock Options and Incentive Plans [Abstract]

Schedule of Stock Option Activity

	2012	2011	2010
Shares under option January 1	597,313	639,163	651,143
Options canceled	23,300	400	4,750
Options exercised	66,700	41,450	7,230
Shares under option at December 31	507,313	597,313	639,163
Options exercisable at December 31	507,313	597,313	639,163

Schedule of Weighted Average Exercise Price

	2012	2011	2010
Shares under option January 1	$19.54	$19.51	$19.50
Options granted	-	-	-
Options canceled	21.23	20.54	21.98
Options exercised	19.65	19.03	17.66
Shares under option December 31	19.45	19.54	19.51
Options exercisable December 31	19.45	19.54	19.51