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Note 9 - Stock-based Compensation
3 Months Ended
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.