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Note 9 - Stock-based Compensation | 3 Months Ended
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Mar. 31, 2019
Notes to Financial Statements |
Share-based Payment Arrangement [Text Block] |
9. | Stock-Based Compensation
On January 31, 2019, the Board of Directors approved a 2019 long-term incentive compensation program for certain Company executive officers that includes grants of performance-based restricted stock units (“PRSUs”) in addition to time-based restricted stock units (“RSU”). Under the terms of the PRSU Agreement, the number of PRSUs that may be earned depends on the extent to which performance goals for the award are achieved over a three -year performance period, as determined by the Compensation Committee of the Board. The number of PRSUs that may be earned ranges from 0% to 150% of the target award, with no PRSUs earned for below threshold-level performance, 50% of PRSUs earned for threshold-level performance, 100% of PRSUs earned for target-level performance, and 150% of PRSUs earned for maximum-level performance. For the three months ended March 31, 2019 and 2018, the Company’s net income, as reported, included $4.0 million and $3.4 million, respectively, of stock-based compensation costs and $1.0 million and $0.7 million of income tax benefits, respectively, related to the stock-based compensation plans in each of the periods. During the three months ended March 31, 2019, the Company granted 263,574 and 57,870 in RSU awards and PRSU awards, respectively. During the three months ended March 31, 2018, the Company granted 274,990 in RSU awards. There were no stock options granted during the three months ended March 31, 2019 and 2018. The Company has not granted stock options since 2009 and at March 31, 2019, had none outstanding. The Company uses the fair value of the common stock on the date of award to measure compensation cost for restricted stock unit awards. Compensation cost is recognized over the vesting period of the award using the straight-line method. The following table summarizes the Company’s RSU and PRSU awards at or for the three months ended March 31, 2019 :
|  | RSU Awards |  | PRSU Awards
|  | Shares |  | Weighted-Average Grant-Date Fair Value |  | Shares |  | Weighted-Average Grant-DateFair Value
Non-vested at December 31, 2018 |  |  | 502,658 |  |  | $ | 24.93 |  |  |  | – |  |  | $ | – |
Granted |  |  | 263,574 |  |  |  | 22.38 |  |  |  | 57,870 |  |  |  | 22.38 |
Vested |  |  | (248,579 | ) |  |  | 23.17 |  |  |  | (27,110 | ) |  |  | 22.38 |
Forfeited |  |  | (7,270 | ) |  |  | 24.94 |  |  |  | – |  |  |  | – |
Non-vested at March 31, 2019 |  |  | 510,383 |  |  | $ | 24.47 |  |  |  | 30,760 |  |  | $ | 22.38 |
Vested but unissued at March 31, 2019 |  |  | 209,148 |  |  | $ | 24.64 |  |  |  | 21,310 |  |  | $ | 22.38 |
As of March 31, 2019, there was $11.7 million of total unrecognized compensation cost related to RSU and PRSU awards granted. That cost is expected to be recognized over a weighted-average period of 3.6 years. The total fair value of awards vested for the three months ended March 31, 2019 and 2018 was $6.1 million and $6.7 million, respectively. The vested but unissued RSU awards consist of awards made to employees and directors who are eligible for retirement. According to the terms of these awards, which provide for vesting upon retirement, these employees and directors have no risk of forfeiture. These shares will be issued at the original contractual vesting and settlement dates. Phantom Stock Plan: The Company maintains a non-qualified phantom stock plan as a supplement to its profit sharing plan for officers who have achieved the designated level and completed one year of service. The Company adjusts its liability under this plan to the fair value of the shares at the end of each period. The following table summarizes the Phantom Stock Plan at or for the three months ended March 31, 2019:
Phantom Stock Plan |  | Shares |  | Fair Value
Outstanding at December 31, 2018 |  |  | 99,313 |  |  | $ | 21.53 |
Granted |  |  | 8,168 |  |  |  | 22.15 |
Distributions |  |  | (1,004 | ) |  |  | 22.01 |
Outstanding at March 31, 2019 |  |  | 106,477 |  |  | $ | 21.93 |
Vested at March 31, 2019 |  |  | 105,935 |  |  | $ | 21.93 |
The Company recorded stock-based compensation expense (benefit) for the Phantom Stock Plan of $0.1 million and ( $37,000 ) for the three months ended March 31, 2019 and 2018, respectively. The total fair value of the distributions from the Phantom Stock Plan was $22,000 and $1,000 for the three months ended March 31, 2019 and 2018, respectively.

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