Stock Options (Tables)

9 Months Ended

Sep. 30, 2013

Stock Options

Summary of option activity under stock option plans

	Number of options	Weighted average exercise price		Weighted average remaining contractual term (years)	Aggregate intrinsic value ($)
					(Dollars in Thousands)
Options outstanding at December 31, 2012	794,877	$	19.03
Plus: Options granted	8,500	21.33
Less:
Options exercised	11,738	12.36
Options expired	22,343	23.50
Options forfeited	20,600	17.88
Options outstanding at September 30, 2013	748,969	19.06		3.18	$	3,386
Options fully vested and exercisable at September 30, 2013	426,476	22.74		1.34	991