Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation Plans [Abstract]

Summary of Stock Option Plan

	2012			2011			2010
		Weighted			Weighted			Weighted
		Average			Average			Average
	Number	Exercise		Number	Exercise		Number	Exercise
	Of	Price		Of	Price		Of	Price
	Shares	Per Share		Shares	Per Share		Shares	Per Share
Options outstanding, beginning of year	121	$	22.81	127	$	22.82	81	$	23.30
Granted	0		0	0		0	52		22.07
Exercised	18		22.81	6		22.93	2		23.00
Forfeited	8		22.07	0		0	4		22.75
Expired	0		0	0		0	0		0
Options outstanding, end of year	95	$	22.87	121	$	22.81	127	$	22.82
Options exercisable	51	$	23.57	34	$	24.01	10	$	26.63