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Stock Options (Tables)
3 Months Ended
Mar. 31, 2015
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, 2014

 

993,889 

 

$

18.94 

 

 

 

 

 

Plus: Options granted

 

5,000 

 

24.15 

 

 

 

 

 

Less:

 

 

 

 

 

 

 

 

 

Options exercised

 

3,100 

 

16.85 

 

 

 

 

 

Options expired

 

28,325 

 

26.90 

 

 

 

 

 

Options forfeited

 

7,971 

 

17.57 

 

 

 

 

 

Options outstanding at March 31, 2015

 

959,493 

 

18.75 

 

6.59 

 

$

6,993 

 

 

 

 

 

 

 

 

 

 

 

Options fully vested and exercisable at March 31, 2015

 

243,928 

 

$

16.13 

 

3.02 

 

$

2,427