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Stock-based Compensation | 12 Months Ended
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Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-based Compensation | Note 11 Stock-based Compensation The Amended and Restated Omnibus Stock and Performance Compensation Plan (the “Omnibus Plan”) provides incentive opportunities for key employees and non-employee directors and to align the personal financial interests of such individuals with those of the Company’s shareholders. The Omnibus Plan permits the issuance of up to 1,500,000 shares of the Company’s common stock in the form of stock options, SARs, restricted stock, restricted stock units and performance awards. All share and per share data have been restated to give effect to the 10% stock dividend issued on December 15, 2017. Restricted Stock Restricted shares granted prior to April 16, 2013 are amortized to expense over the three-year vesting period. Beginning on April 16, 2013, restricted shares granted to Company employees are amortized to expense over the three-year annual vesting period whereas restricted shares granted to members of the Board of Directors are amortized to expense over a one-year service period, with the exception of those shares granted in lieu of cash payment for retainer fees which are expensed in the period earned. Beginning on February 2, 2017, restricted shares granted to Company employees are amortized to expense over the three-year cliff vesting period. Changes in restricted shares outstanding for the year ended December 31, 2017 were as follows:
|  |  |  |  | Weighted Average
|  |  |  |  | Grant Date
|  | Shares |  | Fair Value
Balance at December 31, 2016 |  | 81,269 |  |  | $ | 46.39
Granted |  | 26,064 |  |  | $ | 59.46
Vested |  | (29,167 | ) |  | $ | 47.58
Forfeited |  | — |  |  |  | —
Balance at December 31, 2017 |  | 78,166 |  |  | $ | 50.30
During 2016 and 2015, 39,816 and 47,065 shares, respectively, were granted with weighted average per share market values at date of grant of $45.75 in 2016 and $46.40 in 2015. The fair value of such shares, are based on the market price on the date of grant. Amortization of the restricted stock bonus awards totaled $1,743,000 for 2017, $1,712,000 for 2016 and $1,514,000 for 2015. As of December 31, 2017, the total unrecognized compensation expense related to non-vested restricted stock awards was $1,345,000 and the related weighted average period over which it is expected to be recognized is approximately 0.63 years. The total fair value of shares vested during the years ended December 2017, 2016, and 2015 was $1,550,000, $1,500,000, and $1,089,000, respectively. Performance-Based Restricted Stock In February 2017, the Company granted three-year performance-based restricted stock (“PBRS”) awards which are contingent upon the achievement of pre-established financial goals over the period from January 1, 2017 through December 31, 2019. The PBRS awards cliff vest on the three-year anniversary of their grant date at levels ranging from 0% to 150% of the target opportunity based on the actual achievement of financial goals for the three-year performance period. The target number of PBRS shares granted was 25,342 with a grant date fair value of $59.20 per share. The 2017 expense related to this grant totaled $579,000 and is based on the grant date fair value and the anticipated achievement of approximately 124% of the target financial goals. The estimated expense for 2018 and each future period through the vesting date is subject to prospective adjustment based upon changes in the expected achievement of the financial goals. SARs There were no SARs granted during the year ended December 31, 2017. During 2017, the Company recognized SARs expense of $18,000. As of December 31, 2017, there was no unrecognized compensation expense related to SARs. Changes in SARs outstanding for the year ended December 31, 2017 were as follows:
|  | SARs |  | Weighted Average Exercise Price
Balance at December 31, 2016 |  | 261,206 |  |  | $ | 34.75
Exercised |  | (26,970 | ) |  |  | 33.09
Forfeited |  | — |  |  |  | —
Balance at December 31, 2017 |  | 234,236 |  |  |  | 34.97
Exercisable at December 31, 2017 |  | 234,236 |  |  | $ | 34.97
The total intrinsic value of SARs exercised during 2017 and 2016 was $892,000 and $2,162,000, respectively. The average remaining contractual term for SARs outstanding as of December 31, 2017 was 5.03 years, and the aggregate intrinsic value was $7,291,000. The average remaining contractual term for SARs exercisable as of December 31, 2016 was 5.22 years, and the aggregate intrinsic value was $8,395,000. The total compensation cost for share-based payment arrangements was $2,340,000, $1,959,000, and $2,059,000 in 2017, 2016, and 2015, respectively.

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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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