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Stock Options (Tables)
6 Months Ended
Jun. 30, 2012
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, 2011

 

844,721

 

$

19.08

 

 

 

 

 

Plus: Options granted

 

 

 

 

 

 

 

Less:

 

 

 

 

 

 

 

 

 

Options exercised

 

3,165

 

10.40

 

 

 

 

 

Options expired

 

 

 

 

 

 

 

Options forfeited

 

36,551

 

21.43

 

 

 

 

 

Options outstanding at June 30, 2012

 

805,005

 

19.01

 

4.08

 

2,825

 

 

 

 

 

 

 

 

 

 

 

Options fully vested and exercisable at June 30, 2012

 

396,672

 

23.82

 

2.11

 

526