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SHARE-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Activity of Non-Performance Based and Performance Based Options
A summary of the activity of non-performance-based and performance-based options as of December 31, 2018 is presented below.
 
Non-Performance-Based
 
Performance-Based
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Contractual Term
 
Aggregate Intrinsic Value
$ (000)
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Contractual Term
 
Aggregate Intrinsic Value
$ (000)
Under option, beginning of year
47,294

 
$
14.76

 
 
 
 
 
37,013

 
$
7.36

 
 
 
 
Granted
—

 
—

 
 
 
 
 
—

 
—

 
 
 
 
Exercised
(47,294
)
 
14.76

 
 
 
$
653

 
(29,014
)
 
7.47

 
 
 
$
217

Forfeited
—

 
—

 
 
 
 
 
(288
)
 
7.47

 
 
 
$
2

Under option, end of year
—

 
$
—

 
—

 
$
—

 
7,711

 
$
6.94

 
0.11
 
$
308

Exercisable at end of year
—

 
$
—

 
—

 
$
—

 
7,711

 
$
6.94

 
0.11
 
$
308


A summary of the activity of non-performance-based and performance-based options as of December 31, 2017 is presented below.
 
Non-Performance-Based
 
Performance-Based
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Contractual Term
 
Aggregate Intrinsic Value
$ (000)
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Contractual Term
 
Aggregate Intrinsic Value
$ (000)
Under option, beginning of year
58,603

 
$
14.76

 
 
 
 
 
142,910

 
$
15.06

 
 
 
 
Granted
—

 
—

 
 
 
 
 
—

 
—

 
 
 
 
Exercised
(11,309
)
 
14.76

 
 
 
$
167

 
(102,309
)
 
17.62

 
 
 
$
1,803

Forfeited
—

 
—

 
 
 
 
 
(3,588
)
 
21.35

 
 
 
 
Under option, end of year
47,294

 
$
14.76

 
0.14
 
$
1,519

 
37,013

 
$
7.36

 
1.07
 
$
1,463

Exercisable at end of year
47,294

 
$
14.76

 
0.14
 
$
1,519

 
37,013

 
$
7.36

 
1.07
 
$
1,463
Summary of the Status of the Company's Restricted Stock Awards
A summary of the status of the Company’s restricted stock awards as of and for the years ended December 31, 2018, and 2017 is presented below.
 
2018
 
2017
 
Shares
 
Weighted Average Grant Date Fair Value
 
Shares
 
Weighted Average Grant Date Fair Value
Nonvested shares at beginning of year
277,815

 
$
33.24

 
279,727

 
$
26.10

Granted
89,855

 
53.37

 
84,147

 
46.93

Vested
(195,344
)
 
33.21

 
(85,587
)
 
23.30

Forfeited
(10,580
)
 
49.52

 
(472
)
 
47.60

Nonvested shares at end of year
161,746

 
43.40

 
277,815

 
33.24