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Stock-Based Compensation | 12 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation | Stock-Based Compensation A summary of changes in nonvested restricted stock awards follows:
| Shares |  | Weighted-average Grant Date Fair Value
Nonvested at January 1, 2018 | 94,472 |  |  | $ | 20.79 |
Granted | 24,508 |  |  | 26.92 |
Forfeited | (361 | ) |  | 26.19 |
Vested | (42,730 | ) |  | 19.87 |
Nonvested at December 31, 2018 | 75,889 |  |  | $ | 23.20 |
The above table excludes 15,600 shares in restricted stock awards that were granted at a weighted average fair value of $27.16 and immediately vested. As of December 31, 2018 and 2017, there was $775 and $1,243, respectively, of total unrecognized compensation cost related to nonvested shares granted under the restricted stock award plan. The fair value of shares vesting during 2018, 2017, and 2016 was $1,535, $1,035 and $624, respectively. Compensation expense for restricted stock awards was $1,545 in 2018, $928 in 2017 and $820 in 2016. The number of authorized stock-based awards still available for grant as of December 31, 2018 was 159,224. In addition to the time-based restricted stock disclosed above, the Corporation’s Board of Directors grants performance-based restricted stock awards (“PBRSAs”) to key employees. The number of PBRSAs will depend on certain performance conditions and are also subject to service-based vesting. In 2018, awards with a maximum of 10,468 shares in aggregate were granted to key employees. In 2017, an award with a maximum of 5,306 shares was granted to a key employee.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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