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Share-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Valuation Assumptions
The following table includes the weighted- average assumptions used in estimating the fair values and the resulting weighted-average fair value of stock options granted in the periods presented:
 
Year Ended December 31, 2013
 
Year Ended December 31, 2012
 
Year Ended December 31, 2011
Weighted average fair values of stock options granted
$
5.70

 
$
5.47

 
$
8.32

Expected volatility
59.9
%
 
47.9
%
 
59.0
%
Expected dividends
2.01
%
 
1.18
%
 
.74
%
Weighted average risk-free interest rate
.65
%
 
.33
%
 
.33
%
Expected life of stock options (in years)
3.5

 
3.5

 
3.5
Schedule of Stock Options Activity
A summary of stock option activity for the years ended December 31, 2013, 2012 and 2011 is as follows:
 
Shares
 
Weighted
Average
Exercise Price
 
Weighted
Average
Remaining
Contractual
Term (Years)
 
Aggregate Intrinsic
Value
 
 
 
 
 
 
 
(in thousands)
Outstanding at January 1, 2011
3,340,476

 
$
2.22

 
2.51
 
$
71,638

Granted
45,000

 
$
20.58

 
 
 
 
Exercised
(69,509
)
 
$
0.73

 
 
 
 
Canceled
(792
)
 
$
0.72

 
 
 
 
Outstanding at December 31, 2011
3,315,175

 
$
2.51

 
1.56
 
$
64,959

Granted
45,000

 
$
16.94

 
 
 
 
Exercised
(1,361,542
)
 
$
0.75

 
 
 
 
Canceled
—

 
$
—

 
 
 
 
Outstanding at December 31, 2012
1,998,633

 
$
4.03

 
1.17
 
$
24,171

Granted
45,000

 
$
14.89

 
 
 
 
Exercised
(1,251,633
)
 
$
1.73

 
 
 
 
Canceled
—

 
$
—

 
 
 
 
Outstanding at December 31, 2013
792,000

 
$
8.28

 
1.00
 
$
5,093

Exercisable at December 31, 2013
679,500

 
$
6.78

 
0.65
 
$
5,387
Schedule of Nonvested Share Activity
A summary of non-vested options and changes for the years ended December 31, 2013, 2012 and 2011 is as follows:

 
Non-Vested Number of Shares
 
Weighted
Average
Exercise Price
 
 
 
 
Non-vested balance at January 1, 2011
247,690

 
$
14.07

Granted
45,000

 
$
20.58

Vested
(112,685
)
 
$
11.71

Canceled
—

 
$
—

Non-vested balance at December 31, 2011
180,005

 
$
17.17

Granted
45,000

 
$
16.94

Vested
(90,005
)
 
$
14.60

Canceled
—

 
$
—

Non-vested balance at December 31, 2012
135,000

 
$
18.80

Granted
45,000

 
$
14.89

Vested
(67,500
)
 
$
18.66

Canceled
—

 
$
—

Non-vested balance at December 31, 2013
112,500

 
$
17.32
Schedule of Shares Authorized under Stock Option Plans, by Exercise Price Range
The following table summarizes information about stock options outstanding by price range as of December 31, 2013:
 
 
Options Outstanding
 
Options Exercisable
Range of Exercise Prices
 
Number Outstanding
 
Weighted-Average Remaining Contractual Life (Years)
 
Weighted-Average Exercise Price
 
Number of Shares
 
Weighted-Average Exercise Price
$1.75-$2.36
 
477,000

 
0.37
 
$
1.78

 
477,000

 
$
1.78

$14.89-$17.58
 
225,000

 
1.95
 
$
16.91

 
146,250

 
$
17.53

$20.58-$21.70
 
90,000

 
1.93
 
$
21.14

 
56,250

 
$
21.25

 
 
792,000

 
1.00
 
$
8.28

 
679,500

 
$
6.78
Schedule of Nonvested Restricted Stock Activity
A summary of the status of the Company’s non-vested restricted stock grant shares is presented in the following table:

 
Shares
 
Weighted-Average Grant Date
Fair Value
Non vested at January 1, 2011
210,285

 
$
9.98

Granted
103,469

 
$
23.33

Vested
(150,267
)
 
$
9.51

Forfeited
(18,406
)
 
$
8.79

Non vested at December 31, 2011
145,081

 
$
20.13

Granted
73,061

 
$
23.26

Vested
(90,379
)
 
$
18.89

Forfeited
(6,607
)
 
$
24.10

Non vested at December 31, 2012
121,156

 
$
22.74

Granted
32,842

 
$
15.91

Vested
(76,576
)
 
$
22.56

Forfeited
(2,157
)
 
$
23.42

Non vested at December 31, 2013
75,265

 
$
12.97