Share-Based Payment Arrangements (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of stock option activity is presented below.

	Number of Shares		Weighted- Average Exercise Price ($)		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value ($000)
Outstanding at December 31, 2012	259,189			22.30
Granted	---
Exercised	(6,406	)		13.78
Forfeited or expired	(1,962	)		22.47
Outstanding at March 31, 2013	250,821			22.51		1.20	622
Exercisable at March 31, 2013	233,528			23.13		1.13	505
Outstanding at December 31, 2011	404,387			23.80
Granted	---
Exercised	---
Forfeited or expired	(12,037	)		25.92
Outstanding at March 31, 2012	392,350			23.73		1.70	21
Exercisable at March 31, 2012	339,013			25.15		1.54	6

Schedule Of Share-Based Compensation, Stock Options, Activity By Exercise Prices [Table Text Block]

Stock options outstanding and exercisable as of March 31, 2013 are as follows.

Range of Exercise Prices		Options Outstanding				Options Exercisable
			Number of Option Shares Outstanding	Weighted- Average Remaining Contractual Life (Years)	Weighted- Average Exercise Price ($)	Number of Option Shares Outstanding	Weighted- Average Exercise Price ($)
Low Outstanding	High Outstanding
$8.90	$13.63		29,775	1.54	11.87	29,775	11.87
$14.00	$16.88		40,069	2.15	14.15	22,776	14.15
$17.00	$19.54		55,542	0.72	19.54	55,542	19.54
$20.77	$23.90		28,942	1.15	23.66	28,942	23.66
$24.26	$28.50		22,150	0.22	25.21	22,150	25.21
$29.35	$31.90		4,000	1.16	29.92	4,000	29.92
$32.28	$38.71		70,343	1.21	32.38	70,343	32.38
			250,821	1.20	22.51	233,528	23.13