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STOCK-BASED COMPENSATION PLANS | 3 Months Ended
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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.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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