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Share-Based Compensation | 12 Months Ended
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Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Share-Based Compensation | Share-Based Compensation The Corporation adopted the 2012 Equity Incentive Plan (the “Plan”) during the quarter ended June 30, 2012. The Plan is administered by the Compensation Committee of the Board of Directors of the Corporation and provides for the grant of equity ownership opportunities through incentive stock options and nonqualified stock options (together, “Stock Options”), restricted stock, restricted stock units, dividend equivalent units, and any other type of award permitted by the Plan. As of December 31, 2016, 274,581 shares were available for future grants under the Plan. Shares covered by awards that expire, terminate or lapse will again be available for the grant of awards under the Plan. The Corporation may issue new shares and shares from its treasury stock for shares delivered under the Plan. Restricted Stock Under the Plan, the Corporation may grant restricted stock to plan participants, subject to forfeiture upon the occurrence of certain events until the dates specified in the participant’s award agreement. While restricted stock is subject to forfeiture, with the exception of restricted stock units, which do not have voting rights and are provided dividend equivalents, restricted stock participants may exercise full voting rights and will receive all dividends and other distributions paid with respect to the restricted shares. The restricted stock granted under the Plan is typically subject to a vesting period. Compensation expense is recognized over the requisite service period of generally four years for the entire award on a straight-line basis. Upon vesting of restricted share awards, the benefit of tax deductions in excess of recognized compensation expense is reflected as an income tax benefit in the Consolidated Statements of Income. Restricted stock activity for the year ended December 31, 2016, 2015 and 2014 was as follows:
|  | For the Year Ended December 31,
|  | 2016 |  | 2015 |  | 2014
|  | Number of Restricted Shares |  | Weighted Average Grant-Date Fair Value |  | Number of Restricted Shares |  | Weighted Average Grant-Date Fair Value |  | Number of Restricted Shares |  | Weighted Average Grant-Date Fair Value
Nonvested balance at beginning of year |  | 135,471 |  |  | $ | 20.13 |  |  | 154,998 |  |  | $ | 16.97 |  |  | 169,418 |  |  | $ | 11.55 |
Granted |  | 60,415 |  |  | 22.74 |  |  | 53,790 |  |  | 22.52 |  |  | 64,522 |  |  | 22.49 |
Vested |  | (56,090 | ) |  | 18.71 |  |  | (64,874 | ) |  | 15.23 |  |  | (78,942 | ) |  | 9.86 |
Forfeited |  | (23,551 | ) |  | 20.90 |  |  | (8,443 | ) |  | 15.03 |  |  | — |  |  | — |
Nonvested balance as of end of year |  | 116,245 |  |  | 21.13 |  |  | 135,471 |  |  | 20.13 |  |  | 154,998 |  |  | 16.97 |
As of December 31, 2016, the Corporation had $2.2 million of deferred unvested compensation expense, which the Corporation expects to recognize over a weighted-average period of approximately 2.8 years. For the years ended December 31, 2016, 2015 and 2014, share-based compensation expense related to restricted stock included in the Consolidated Statements of Income was as follows:
|  | For the Year Ended December 31,
|  | 2016 |  | 2015 |  | 2014
|  | (In Thousands)
Share-based compensation expense |  | $ | 994 |  |  | $ | 1,063 |  |  | $ | 887 |

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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 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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