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STOCK-BASED COMPENSATION PLANS
 3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
STOCK-BASED COMPENSATION PLANS
STOCK-BASED COMPENSATION PLANS

A combined summary of activity in the Company’s stock award and stock option plans for the three months ended March 31, 2018 is presented in the following table:
 
 
 
Non-Vested Stock Awards Outstanding
 
Stock Options Outstanding
(Shares in thousands)
 
 
Number of Shares
 
Weighted-Average Grant Date Fair Value
 
Number of Shares
 
Weighted-Average Exercise Price
December 31, 2017
 
 
418

 
$
29.68

 
76

 
$
13.59

Granted
 
 
92

 
37.67

 
—

 
—

Stock options exercised
 
 
—

 
—

 
(5
)
 
14.27

Stock awards vested
 
 
(87
)
 
27.92

 
—

 
—

Forfeited
 
 
(4
)
 
30.50

 
—

 
—

Expired
 
 
—

 
—

 
(11
)
 
22.61

March 31, 2018
 
 
419

 
$
32.41

 
60

 
$
10.56

Exercisable options at March 31, 2018
 
60

 
$
10.56



During the three months ended March 31, 2018 and 2017, proceeds from stock option exercises totaled $76 thousand and $81 thousand, respectively. During the three months ended March 31, 2018, there were 87 thousand shares issued in connection with vested stock awards. During the three months ended March 31, 2017, there were 101 thousand shares issued in connection with vested stock awards. All of these shares were issued from available treasury stock. Stock-based compensation expense totaled $1.4 million and $1.2 million during the three months ended March 31, 2018 and 2017, respectively. Stock-based compensation expense is recognized over the requisite service period for all awards.