XML 47 R30.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock-based Compensation and Other Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
A summary of the status of the Company’s unvested RSUs as of December 31, 2018 and changes during the year then ended are presented below:
 
 
 
Service Conditions
 
Performance and Service Conditions
 
Total
 
Weighted Average Grant-Date Fair Value Per Unit
Unvested RSUs outstanding at December 31, 2017
 
207,771

 
652,202

 
859,973

 
 
$
44.29

 
Granted
 
343,912

 
389,480

 
733,392

 
 
$
74.61

 
Vested
 
(110,500
)
 
(107,941
)
 
(218,441
)
 
 
$
43.71

 
Forfeited
 
(16,502
)
 
(40,475
)
 
(56,977
)
 
 
$
53.23

 
Unvested RSUs outstanding at December 31, 2018
 
424,681

 
893,266

 
1,317,947

 
 
$
60.87

 
Unvested and expected to vest RSUs outstanding at December 31, 2018
 
361,250

 
859,007

 
1,220,257

 
 
$
60.49

 
Schedule of Other Share-based Compensation, Activity [Table Text Block]
The following table summarizes the balance of liability awards, expense and settlements (for vested awards) during the years presented (in thousands):
 
 
2018
 
2017
 
2016
Liability awards beginning of year
 
$
—

 
$
465

 
$
—

Expense for grants
 
503

 
470

 
465

Settled
 
(6
)
 
(935
)
 
—

Liability awards end of year
 
$
497

 
$
—

 
$
465
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following summarizes pricing and term information for options outstanding as of December 31, 2018:
 
 
Options Outstanding
 
 
Options Exercisable
 
 
 
 
 
 
 
Number Outstanding at
 
Weighted Average Remaining Contractual Life (years)
 
Weighted Average Exercise Price
 
Number Exercisable at
 
Weighted Average Exercise Price
Range of Exercise Prices
 
December 31, 2018
 
 
 
December 31, 2018
 
$
6.89

 
-
 
$
7.31

 
12,936

 
1.1
 
 
$
7.09

 
 
12,936

 
 
$
7.09

 
$
7.39

 
-
 
$
7.39

 
3,500

 
1.3
 
 
$
7.39

 
 
3,500

 
 
$
7.39

 
$
8.26

 
-
 
$
8.26

 
9,256

 
2.1
 
 
$
8.26

 
 
9,256

 
 
$
8.26

 
$
10.46

 
-
 
$
10.46

 
12,170

 
2.9
 
 
$
10.46

 
 
12,170

 
 
$
10.46

 
$
16.51

 
-
 
$
16.51

 
50,000

 
3.7
 
 
$
16.51

 
 
50,000

 
 
$
16.51

 
$
6.89

 
-
 
$
16.51

 
87,862

 
2.9
 
 
$
13.05

 
 
87,862

 
 
$
13.05

 
Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table is a summary of stock option activity during 2018:
 
 
 
Non- Qualified Stock Options
 
Weighted Average Exercise Price Per Share
 
Weighted Average Remaining Contractual
Term (Years)
 
Aggregate Intrinsic Value
Outstanding at December 31, 2017
 
132,670

 
$
12.79

 
 
3.8
 
 
$
6,830,000

Exercised
 
(44,466
)
 
$
12.32

 
 
 
 
 
 

Canceled
 
(342
)
 
$
5.18

 
 
 
 
 
 

Outstanding at December 31, 2018
 
87,862

 
$
13.05

 
 
2.9
 
 
$
3,642,000

Vested and Expected to Vest at December 31, 2018
 
87,862

 
$
13.05

 
 
2.9
 
 
$
3,642,000

Exercisable at December 31, 2018
 
87,862

 
$
13.05

 
 
2.9
 
 
$
3,642,000
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
The table below presents the average Black-Scholes valuation per share of shares purchased and the compensation expense under the ESPP (dollars in thousands, except per share amounts):
Year Ended
December 31,
 
Average Black-Scholes Valuation per Share
 
Shares
 
Expense
2018
 
$15.09
 
160,407
 
$
2,740

2017
 
$9.71
 
214,466
 
$
2,092

2016
 
$9.05
 
242,303
 
$
2,497