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Stock Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2012
Stock Based Compensation [Abstract]  
Assumptions used to estimate fair value of options granted
The following assumptions were used to estimate the fair value of options granted during the years ended December 31, 2012, 2011 and 2010 using the Black-Scholes option pricing model:
 
 
2012
 
 
2011
 
 
2010
 
 
 
 
 
 
 
 
 
 
Expected dividend yield
 
 
2.73
 
%
 
 
1.57 - 2.66
 
%
 
 
0.76 - 1.24
 
%
Expected stock price volatility
 
 
53.52 - 57.19
 
%
 
 
48.80 - 53.21
 
%
 
 
47.75 - 51.32
 
%
Risk-free interest rate range
 
 
1.24 - 1.33
 
%
 
 
1.33 - 2.84
 
%
 
 
1.79 - 3.26
 
%
Weighted-average expected life
 
 
6.21 – 7.70
 
years
 
 
6.28 - 7.63
 
years
 
 
6.53 - 7.40
 
years
Forfeiture rate
 
 
1.00 – 3.00
 
%
 
 
1.00 - 3.00
 
%
 
 
1.00 - 3.00
 
%
Total fair value of options granted
 
$
727
 
 
$
995
 
 
$
822
 
 
Schedule of activities with respect to stock option
The following table summarizes the Company's activities with respect to its stock option plans for 2012, 2011 and 2010 (in thousands, except price per share and contractual term):
 
 
Number of
Shares
 
 
Weighted Average
Exercise Price
Per Share
 
 
Weighted Average
Remaining
Term
 
 
Aggregate
Intrinsic Value
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding December 31, 2009
 
 
2,505
 
 
$
12.81
 
 
 
4.87
 
 
$
5,944
 
Granted
 
 
128
 
 
$
14.18
 
 
 
 
 
 
 
 
 
Exercised
 
 
(559
)
 
$
9.46
 
 
 
 
 
 
 
 
 
Cancelled
 
 
(20
)
 
$
13.22
 
 
 
 
 
 
 
 
 
Outstanding December 31, 2010
 
 
2,054
 
 
$
13.77
 
 
 
4.85
 
 
$
13,978
 
Granted
 
 
126
 
 
$
17.62
 
 
 
 
 
 
 
 
 
Exercised
 
 
(121
)
 
$
9.27
 
 
 
 
 
 
 
 
 
Cancelled
 
 
(1
)
 
$
8.90
 
 
 
 
 
 
 
 
 
Outstanding December 31, 2011
 
 
2,058
 
 
$
14.28
 
 
 
3.94
 
 
$
1,496
 
Granted
 
 
147
 
 
$
12.00
 
 
 
 
 
 
 
 
 
Exercised
 
 
(272
)
 
$
9.39
 
 
 
 
 
 
 
 
 
Cancelled
 
 
(113
)
 
$
9.98
 
 
 
 
 
 
 
 
 
Outstanding December 31, 2012
 
 
1,820
 
 
$
15.08
 
 
 
3.71
 
 
$
1,520
 
Vested at December 31, 2012
 
 
1,568
 
 
$
15.24
 
 
 
2.90
 
 
$
1,334
 
Exercisable at December 31, 2012
 
 
1,568
 
 
$
15.24
 
 
 
2.90
 
 
$
1,334
 
 
Schedule of information concerning outstanding and exercisable options
The following table summarizes information concerning outstanding and exercisable options at December 31, 2012:
 
 
 
 
 
 
Options Outstanding
 
 
 
Options Exercisable
 
 
Range of exercise price
 
 
 
Number outstanding
 
 
 
Weighted
average
 remaining
 contractual life
(years)
 
 
 
Weighted average exercise
price
 
 
 
Number exercisable
 
 
 
Weighted average exercise
price
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
6.20-$8.26
 
 
 
168
 
 
 
5.9
 
 
$
6.96
 
 
 
168
 
 
$
6.96
 
 
8.26-10.33
 
 
 
54
 
 
 
0.2
 
 
$
9.22
 
 
 
54
 
 
$
9.22
 
 
10.33-12.39
 
 
 
158
 
 
 
8.1
 
 
$
11.70
 
 
 
24
 
 
$
10.83
 
 
12.39-14.45
 
 
 
515
 
 
 
2.4
 
 
$
13.93
 
 
 
472
 
 
$
14.01
 
 
14.45-16.52
 
 
 
179
 
 
 
4.7
 
 
$
15.89
 
 
 
175
 
 
$
15.89
 
 
16.52-18.58
 
 
 
256
 
 
 
4.4
 
 
$
18.07
 
 
 
218
 
 
$
18.05
 
 
18.58-20.65
 
 
 
475
 
 
 
2.4
 
 
$
18.89
 
 
 
452
 
 
$
18.89
 
 
20.65-21.08
 
 
 
15
 
 
 
6.8
 
 
$
21.04
 
 
 
5
 
 
$
21.08
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1,820
 
 
 
 
 
 
 
 
 
 
 
1,568
 
 
 
 
 
 
 
Summary of nonvested option activity
As of December 31, 2012, 2011 and 2010 there was $880, $959 and $879, respectively, of total unrecognized compensation cost related to nonvested options outstanding. That cost is expected to be recognized over a weighted average period of approximately 1.7 years. A summary of the Company's nonvested option activity for the years ended December 31, 2012, 2011 and 2010 is as follows (in thousands, except price per share and contractual term):

 
Number of
Shares
 
 
Weighted Average
Grant Date
Fair Value
Per Share
 
 
 
 
 
 
 
Nonvested at January1, 2010
 
 
386
 
 
$
4.26
 
Granted
 
 
128
 
 
$
6.67
 
Vested
 
 
(186
)
 
$
6.67
 
Forfeited
 
 
(8
)
 
$
4.49
 
Nonvested at December 31, 2010
 
 
320
 
 
$
4.93
 
Granted
 
 
126
 
 
$
7.90
 
Vested
 
 
(185
)
 
$
4.95
 
Nonvested at December 31, 2011
 
 
261
 
 
$
6.35
 
Granted
 
 
147
 
 
$
4.95
 
Vested
 
 
(152
)
 
$
5.36
 
Forfeited
 
 
(4
)
 
$
5.60
 
 
 
 
 
 
 
 
 
Nonvested at December 31, 2012
 
 
252
 
 
$
6.12
 
Summary of restricted share activity
 
 
Number of
Shares
 
 
Weighted Average
Grant Date
Fair Value
per share
 
 
 
 
 
 
 
Outstanding at January 1, 2010
 
 
237
 
 
$
10.70
 
Granted
 
 
85
 
 
$
13.83
 
Forfeited
 
 
(39
)
 
$
16.93
 
Vested – restriction lapsed
 
 
(7
)
 
$
10.39
 
Outstanding at December 31, 2010
 
 
276
 
 
$
10.90
 
Granted
 
 
126
 
 
$
15.86
 
Vested – restriction lapsed
 
 
(59
)
 
$
15.90
 
Outstanding at December 31, 2011
 
 
343
 
 
$
11.86
 
Granted
 
 
149
 
 
$
11.84
 
Vested – restriction lapsed
 
 
(136
)
 
$
6.94
 
 
 
 
 
 
 
 
 
Outstanding at December 31, 2012
 
 
356
 
 
$
13.72