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Share-Based Compensation and Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
A summary of the Company’s restricted stock unit activity with respect to the years ended December 31, 2014, 2015 and 2016 follows:
 
Number of Shares

Weighted Average
Grant Date Fair
Value
Nonvested at December 31, 2013
1,116


$
9.73

Granted
631


$
10.89

Vested
(836
)

$
9.20

Forfeited
(106
)

$
10.57

Nonvested at December 31, 2014
805


$
11.07

Granted
967


$
10.99

Vested
(563
)

$
10.25

Forfeited
(40
)

$
11.05

Nonvested at December 31, 2015
1,169


$
11.40

Granted
429


$
13.20

Vested
(413
)

$
10.80

Forfeited
(49
)

$
11.14

Nonvested at December 31, 2016
1,136


$
12.30
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
The following table reflects share-based compensation expense by type of award:
 
Year Ended December 31,
 
2016

2015

2014
Share-based compensation expense:
 


 


 

Stock options
$
318


$
287


$
320

Restricted stock units
4,457


7,316


5,922

Total share-based compensation
4,775


7,603


6,242

Tax effect on share-based compensation
1,743


2,767


2,263

Net effect on net income
$
3,032


$
4,836


$
3,979

Effect on earnings per share:
 


 


 

Basic
$
(0.10
)

$
(0.15
)

$
(0.12
)
Diluted
$
(0.10
)

$
(0.15
)

$
(0.12
)
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of the Company’s stock option activity with respect to the years ended December 31, 2014, 2015 and 2016 follows:

 
Shares

Weighted Average Exercise Price Per Share

Weighted Average Remaining Contractual Term (years)

Aggregate Intrinsic Value
Outstanding at December 31, 2013
970


$
13.94


 

 

Granted
—


—


 

 

Exercised
(25
)

6.86


 

 

Expired
(320
)

21.51


 

 

Forfeited
(10
)

8.30


 

 

Outstanding at December 31, 2014
615


10.39


 

 

Granted
—


—


 

 

Exercised
(25
)

8.19


 

 

Expired
(100
)

15.56


 

 

Forfeited
—


—


 

 

Outstanding at December 31, 2015
490


9.46


 

 
Granted
—


—


 

 

Exercised
(231
)

7.76


 

 

Expired
(44
)

14.74


 

 

Forfeited
—


—


 

 

Outstanding at December 31, 2016
215


$
10.19


4.6

$
2,823

Vested or expected to vest at December 31, 2016
213


$
10.17


4.6

$
2,805

Exercisable at December 31, 2016
180


$
9.79


4.4

$
2,434
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The options outstanding and exercisable at December 31, 2016 were in the following exercise price ranges:

 

Options Outstanding

Options Exercisable
Range of Exercise Prices

Shares

Weighted Average Remaining Contractual Life (years)

Weighted
Average
Exercise Price

Shares

Weighted
Average
Exercise Price
6.80 - 6.80

74


2.6

$
6.80


74


$
6.80

7.86 - 7.86

8


1.4

$
7.86


8


$
7.86

12.22 - 12.22

133


5.9

$
12.22


98


$
12.22

6.80 - 12.22

215


4.6

$
10.19


180


$
9.79