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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
The components of stock-based compensation expense for all of the Company’s stock-based plans
The table below summarizes the components of stock-based compensation expense for all of the Company’s stock-based plans by award type for the indicated periods:
 
 
Year ended December 31,
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Time-vested deferred stock
 
$
2,674

 
$
1,579

 
$
1,829

Stock appreciation rights
 
11

 
148

 
618

Performance-based share awards
 
(462
)
 
664

 
48

Stock purchase plan
 
2

 
11

 
68

Stock options
 
130

 
306

 
264

Total stock-based compensation
 
$
2,355

 
$
2,708

 
$
2,827
Summary of the Company's equity activity
The following table summarizes the Company’s TVDS activity and related information for the indicated periods:
 
 
Time Vested Deferred Stock
 
Weighted-Average
Grant Date
Fair Value
 
Weighted-Average Remaining Contractual Life (In Years)
 
 
 
 
 
 
 
Outstanding non-vested as of December 31, 2012
 
400

 
$
15.82

 
 
Granted
 
104

 
15.21

 
 
Vested
 
(92
)
 
14.98

 
 
Canceled
 
(33
)
 
15.17

 
 
Outstanding non-vested as of December 31, 2013
 
379

 
14.69

 
 
Granted
 
378

 
14.70

 
 
Vested
 
(102
)
 
13.80

 
 
Canceled
 
(164
)
 
17.11

 
 
Outstanding non-vested as of December 31, 2014
 
491

 
15.33

 
 
Granted
 
335

 
11.70

 
 
Vested
 
(65
)
 
16.61

 
 
Canceled
 
(33
)
 
14.09

 
 
Outstanding non-vested as of December 31, 2015
 
728

 
13.60

 
2.7
Schedule of share equivalents
 
 
December 31,
 
 
2015
 
2014
 
2013
 
 
 
 
 
 
 
Dividend participation
 
$
429

 
$
217

 
$
332

Closing market price per share
 
$
6.76

 
$
17.71

 
$
18.53

Equivalent shares at closing market price
 
63

 
12

 
18
Summary of the Company’s SARs activity and related information
The following table summarizes the Company’s SARs activity and related information for the indicated periods:
 
 
SARs
 
Weighted-Average Exercise Price
 
Weighted-Average Remaining Contractual Life (in Years)
 
Aggregate Intrinsic Value
 
 
 
 
 
 
 
 
 
Outstanding as of December 31, 2012
 
628

 
$
16.53

 
 
 
 
Exercised
 
(53
)
 
11.54

 
 
 
 
Canceled
 
(16
)
 
12.10

 
 
 
 
Expired
 
(66
)
 
25.65

 
 
 
 
Outstanding as of December 31, 2013
 
493

 
15.98

 
 
 
 
Exercised
 
(60
)
 
11.26

 
 
 
 
Canceled
 
(72
)
 
12.09

 
 
 
 
Expired
 
(174
)
 
21.92

 
 
 
 
Outstanding as of December 31, 2014
 
187

 
13.47

 
 
 
 
Exercised
 
(45
)
 
11.87

 
 
 
 
Canceled
 
(20
)
 
11.09

 
 
 
 
Expired
 
(27
)
 
22.91

 
 
 
 
Outstanding as of December 31, 2015
 
95

 
12.09

 
1.9
 
$
—

Exercisable as of December 31, 2015
 
82

 
12.25

 
1.8
 
—

Exercisable and expected to vest as of December 31, 2015
 
90

 
12.14

 
1.9
 
—
Company’s PCDS activity and related information
The following table summarizes the Company’s performance-based share awards activity and related information for the indicated periods:
 
 
Performance-Based Share Awards
 
Weighted-Average
Grant Date
Fair Value
 
Weighted-Average Remaining Contractual Life (in Years)
 
 
 
 
 
 
 
Outstanding as of December 31, 2012
 
107

 
$
15.78

 
 
Vested
 
(46
)
 
14.00

 
 
Canceled
 
(19
)
 
17.36

 
 
Outstanding as of December 31, 2013
 
42

 
17.36

 
 
Granted
 
1,607

 
15.53

 
 
Vested
 
—

 
—

 
 
Canceled
 
(45
)
 
17.66

 
 
Outstanding as of December 31, 2014
 
1,604

 
15.52

 
 
Granted
 
—

 
—

 
 
Vested
 
—

 
—

 
 
Canceled
 
(19
)
 
17.92

 
 
Outstanding as of December 31, 2015
 
1,585

 
15.49

 
1.5
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The Company did not grant any stock options during 2015. The following table summarizes the range of assumptions used to estimate the fair values of stock options granted for the indicated periods:
 
 
Year ended December 31,
 
 
2014
 
2013
 
 
 
 
 
Risk-free interest rate
 
1.10-2.03%
 
1.55%
Expected life
 
3.8-6.0 years
 
3.9 years
Expected stock price volatility
 
50-51%
 
51%
Expected dividend yield
 
2.85-3.40%
 
3.10%
Summary of the Company’s stock option activity and related information
The following table summarizes the Company’s stock option activity and related information for the indicated periods:
 
 
Options
 
Weighted-Average Exercise Price
 
Weighted-Average Remaining Contractual Life (in Years)
 
Aggregate Intrinsic Value
 
 
 
 
 
 
 
 
 
Outstanding as of December 31, 2012
 
144

 
$
17.36

 
 
 
 
Granted
 
127

 
16.80

 
 
 
 
Canceled
 
(11
)
 
17.36

 
 
 
 
Outstanding as of December 31, 2013
 
260

 
17.09

 
 
 
 
Granted
 
94

 
16.68

 
 
 
 
Exercised
 
(14
)
 
17.36

 
 
 
 
Canceled
 
(161
)
 
17.21

 
 
 
 
Outstanding as of December 31, 2014
 
179

 
16.74

 
 
 
 
Granted
 
—

 
—

 
 
 
 
Exercised
 
(23
)
 
17.13

 
 
 
 
Canceled
 
(29
)
 
17.54

 
 
 
 
Outstanding as of December 31, 2015
 
127

 
16.50

 
5.1
 
$
—