XML 15 R23.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Stock Options (Tables)
6 Months Ended
Jun. 30, 2011
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, 2010

 

764,982

 

$

20.65

 

 

 

 

 

Plus: Options granted

 

1,500

 

18.44

 

 

 

 

 

Less:

 

 

 

 

 

 

 

 

 

Options exercised

 

7,092

 

17.95

 

 

 

 

 

Options expired

 

81,218

 

19.93

 

 

 

 

 

Options forfeited

 

25,221

 

18.86

 

 

 

 

 

Options outstanding at June 30, 2011

 

652,951

 

20.86

 

3.77

 

1,333

 

 

 

 

 

 

 

 

 

 

 

Options fully vested and exercisable at June 30, 2011

 

323,472

 

24.73

 

2.82

 

199