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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of share-based compensation expense
The following table summarizes share-based compensation expense:
(in thousands)
2013
 
2012
 
2011
Restricted stock/PBRS
$
3,073

 
$
3,267

 
$
3,042

Performance unit incentive plan (“PUP”)
1,864

 
2,922

 
714

Restricted stock units/PBRS units
177

 
450

 
120

Stock options
107

 
593

 
537

Total share-based compensation before income tax benefit
5,221

 
7,232

 
4,413

Income tax benefit
(1,936
)
 
(2,574
)
 
(1,594
)
Total share-based compensation, net of income tax benefit
$
3,285

 
$
4,658

 
$
2,819
Summary of restricted stock and PBRS activity
Restricted Stock and PBRS. The following table summarizes restricted stock and PBRS activity:
 
Restricted Stock
 
PBRS
 
Shares
 
Weighted-Average
Grant Date
Fair Value
 
Shares
 
Weighted-Average
Grant Date
Fair Value
Balance at January 1, 2011
478,499

 
$
21.51

 
18,830

 
$
33.02

Granted
191,850

 
22.70

 
—

 
—

Vested
(91,212
)
 
31.31

 
(18,414
)
 
33.42

Forfeited
(7,115
)
 
20.81

 
—

 
—

Balance, December 31, 2011
572,022

 
20.36

 
416

 
15.36

Granted
168,050

 
20.46

 
—

 
—

Vested
(219,571
)
 
18.26

 
(416
)
 
15.36

Forfeited
(4,150
)
 
24.80

 
—

 
—

Balance, December 31, 2012
516,351

 
21.25

 
—

 
—

Granted
101,300

 
27.27

 
—

 
—

Vested
(166,320
)
 
20.83

 
—

 
—

Forfeited
(20,432
)
 
22.13

 
—

 
—

Balance, December 31, 2013
430,899

 
22.78

 
—

 
—
Summary of Liability Based Award Activity
Liability-Based Awards. The following table summarizes the liability-based award activity:
 
PUP Awards
 
Restricted Stock Units
 
PBRS Units
 
Units
 
Weighted-Average
Grant Date
Fair Value
 
Units
 
Weighted-Average
Grant Date
Fair Value
 
Units
 
Weighted-Average
Grant Date
Fair Value
Balance at January 1, 2011
102,960

 
$
33.81

 
26,050

 
$
17.18

 
3,914

 
$
15.36

Granted
95,500

 
23.02

 
12,550

 
23.01

 
—

 
—

Vested
—

 
—

 
—

 
—

 
(1,958
)
 
15.36

Forfeited
(102,960
)
 
33.81

 
—

 
—

 
—

 
—

Balance, December 31, 2011
95,500

 
23.02

 
38,600

 
19.07

 
1,956

 
15.36

Granted
115,100

 
20.60

 
15,850

 
20.57

 
—

 
—

Vested
—

 
—

 
(13,100
)
 
15.36

 
(1,956
)
 
15.36

Forfeited
—

 
—

 
(850
)
 
20.89

 
—

 
—

Balance, December 31, 2012
210,600

 
21.70

 
40,500

 
20.82

 
—

 
—

Granted
93,100

 
27.35

 
8,600

 
27.35

 
—

 
—

Vested
—

 
—

 
(11,300
)
 
19.10

 
—

 
—

Forfeited
(3,932
)
 
21.15

 
(9,240
)
 
22.55

 
—

 
—

Balance, December 31, 2013
299,768

 
23.46

 
28,560

 
22.91

 
—

 
—
Summary of stock option activity
Stock Options. The following table summarizes stock option activity:
 
Shares
 
Weighted-
Average
Exercise Price
 
Options
Exercisable
Options outstanding at January 1, 2011
763,794

 
$
23.38

 
451,194

Exercised
(14,616
)
 
20.14

 
 
Forfeited or expired
(164,977
)
 
23.88

 
 
Options outstanding at December 31, 2011
584,201

 
23.32

 
396,688

Exercised
(12,099
)
 
19.41

 
 
Forfeited or expired
(208,206
)
 
25.81

 
 
Options outstanding at December 31, 2012
363,896

 
22.03

 
276,009

Exercised
(59,543
)
 
19.42

 
 
Forfeited or expired(1)
(15,853
)
 
40.45

 
 
Award modification
25,823

 
N/A

 
 
Options outstanding at December 31, 2013
314,323

 
19.79

 
314,323
Summary of information on stock options outstanding and exercisable
The following table summarizes information concerning stock options outstanding and exercisable as of December 31, 2013:
 
Options Outstanding
 
Options Exercisable
 
 
 
Weighted-Average
Remaining Contractual Life (in years)
 
Weighted-
Average Exercise Price
 
 
 
Weighted-
Average Exercise Price
Range of Exercise Prices:
Shares
 
 
 
Shares
 
$17.62
262,788

 
5.7
 
$
17.62

 
262,788

 
$
17.62

$22.85
10,895

 
1.9
 
22.85

 
10,895

 
22.85

$31.03
22,118

 
1.2
 
31.03

 
22,118

 
31.03

$35.28
18,522

 
0.1
 
35.28

 
18,522

 
35.28

$17.62 to $35.28
314,323

 
5.1
 
19.79

 
314,323

 
19.79
Summary of additional information on stock options
Additional information pertaining to stock options is provided in the table below:
(in thousands)
2013
 
2012
 
2011
Total intrinsic value of stock options outstanding
$
2,723

 
$
2,329

 
$
—

Total intrinsic value of stock options exercised
$
1,611

 
$
296

 
$
325

Fair value of stock options vested
$
532

 
$
539

 
$
682

Cash received from the exercise of stock options
$
777

 
$
248

 
$
296

Tax benefits (deficiencies) realized for tax deductions related to stock option exercises and performance-based awards
$
404

 
$
96

 
$
(325
)