Stock Options and Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2014

Stock Options and Incentive Plans [Abstract]

Schedule of Stock Option Activity

Activity with respect to these plans is as follows: 

	2014	2013	2012
Shares under option January 1	228,533	507,313	597,313
Options canceled	-	-	23,300
Options exercised	41,300	278,780	66,700
Shares under option at December 31	187,233	228,533	507,313
Options exercisable at December 31	187,233	228,533	507,313

The weighted average exercise price is as follows:

	2014	2013	2012
Shares under option January 1	$18.94	$19.45	$19.54
Options canceled	-	-	21.23
Options exercised	18.71	19.87	19.65
Shares under option December 31	18.99	18.94	19.45
Options exercisable December 31	18.99	18.94	19.45

Schedule of Executive Management Share-based Compensation Activity

	Number of shares	Weighted average grant date value per share	Year-end intrinsic value (000's)
Shares potentially payable at January 1, 2012	161,280	$23.74	$3,729
Forfeitures	-	-
Payments	(44,347)	$24.62
Shares accrued based on 2012 performance	112,428	$27.15
Shares potentially payable at December 31, 2012	229,361	$24.13	$5,202
Forfeitures	-	-
Payments	(118,364)	$23.05
Shares accrued based on 2013 performance	74,567	$31.62
Shares potentially payable at December 31, 2013	185,564	$27.51	$6,667
Forfeitures	-	-
Payments	(75,385)	$28.60
Shares accrued based on 2014 performance	75,020	$34.65
Shares potentially payable at December 31, 2014	185,199	$30.69	$5,683

Schedule of Other Management Share-based Compensation Activity

	Number of shares	Weighted average value per share	Cash paid for share based liabilities(000's)
Share units potentially payable at January 1, 2012	361,419
Grants	220,090
Payments	(196,360)	$21.43	$4,206
Forfeitures	(34,389)
Share units potentially payable at December 31, 2012	350,760
Grants	104,554
Payments	(85,902)	$32.71	$2,810
Forfeitures	(8,223)
Share units potentially payable at December 31, 2013	361,189
Grants	91,631
Changes due to performance	(8,793)
Payments	(86,840)	$35.01	$3,040
Forfeitures	(9,246)
Share units potentially payable at December 31, 2014	347,941