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Stock-Based Compensation | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation | 16. Stock-Based Compensation Stock Options As of December 31, 2015 and 2014, there were no outstanding stock options. There were also no unrecognized compensation costs related to nonvested stock options granted under the stock option plan. Additional information related to the stock option plan follows:
|  | 2015 |  |  | 2014 |  | 2013 |
Intrinsic value of options exercised |  | $ | 0 |  |  | $67 |  | $ | 99 |
Cash received from option exercises |  |  | 0 |  |  | 549 |  |  | 698 |
Restricted Stock Awards A summary of changes in nonvested restricted stock awards follows:
|  | Shares |  |  | Weighted-average Grant Date Fair Value |
Nonvested at January 1, 2015 |  |  | 68,210 |  |  |  | $16.82 |
Granted |  |  | 48,300 |  |  |  | 17.00 |
Vested |  |  | (31,910 | ) |  |  | 16.60 |
Nonvested at December 31, 2015 |  |  | 84,600 |  |  |  | $17.01 |
As of December 31, 2015 and 2014, there was $958 and $758, respectively, of total unrecognized compensation cost related to nonvested shares granted under the restricted stock award plan. The fair value of shares vesting during 2015, 2014, and 2013 was $530, $518 and $323, respectively. Compensation expense for restricted stock awards was $621 in 2015, $548 in 2014, and $390 in 2013. The number of authorized stock-based awards still available for grant as of December 31, 2015 was 309,741.

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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=6418621&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=51659978&loc=d3e25284-112666 Reference 3: 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 4: 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 5: 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 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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