v3.8.0.1
Stock Based Compensation (Tables)
12 Months Ended
Dec. 31, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Estimated Fair Value of Option Granted Using Black-Scholes Option Pricing Model

The fair value of each option granted in 2015 was estimated on the date of the grant using the Black-Scholes option pricing model with the following assumptions:

 

Expected Volatility

 

 

20

%

Expected Term

 

 

6.5 years

 

Expected Dividends

 

 

None

 

Weighted Average Risk Free Rate:

 

 

 

 

2015 grants

 

 

1.714

%

Weighted-Average Grant Fair Value:

 

 

 

 

2015 grants

 

 

9.88

 

 

Summary of Stock Option Activity

The following table summarizes the activities in the Plans during 2017:

 

(dollars in thousands except
per share amounts)

  

Options Granted

 

 

Weighted Average
Exercise Price per
Share

 

  

Weighted Average
Remaining
Contractual Term

 

  

Aggregate
Intrinsic Value

 

Balance: December 31, 2016

 

 

1,972,884

 

 

$

6.34

 

 

 

 

 

 

 

 

 

Options granted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Options exercised

 

 

(1,072,000

)

 

 

5.18

 

 

 

 

 

 

 

 

 

Options forfeited

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance: December 31, 2017

 

 

900,884

 

 

 

7.73

 

 

 

3.37 Years

 

 

$

9,738

 

Options exercisable

 

 

900,884

 

 

$

7.73

 

 

 

3.37 Years

 

 

$

9,738

 

The following table summarizes the activities in the Plans during 2016:

 

(dollars in thousands except
per share amounts)

  

Options Granted

 

 

Weighted Average
Exercise Price per
Share

 

  

Weighted Average
Remaining
Contractual Term

 

  

Aggregate
Intrinsic Value

 

Balance: December 31, 2015

 

 

2,716,834

 

 

$

6.35

 

 

 

 

 

 

 

 

 

Options granted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Options exercised

 

 

(690,592

)

 

 

6.17

 

 

 

 

 

 

 

 

 

Options forfeited

 

 

(53,358

)

 

 

9.18

 

 

 

 

 

 

 

 

 

Balance: December 31, 2016

 

 

1,972,884

 

 

 

6.34

 

 

 

2.45 Years

 

 

$

15,601

 

Options exercisable

 

 

1,945,032

 

 

$

6.30

 

 

 

2.39 Years

 

 

$

15,457

 

The following table summarizes the activities in the Plans during 2015:

 

(dollars in thousands except
per share amounts)

  

Options Granted

 

 

Weighted Average
Exercise Price per
Share

 

  

Weighted Average
Remaining
Contractual Term

 

  

Aggregate
Intrinsic Value

 

Balance: December 31, 2014

 

 

2,769,616

 

 

$

6.34

 

 

 

 

 

 

 

 

 

Options granted

 

 

23,000

 

 

 

9.88

 

 

 

 

 

 

 

 

 

Options exercised

 

 

(62,614

)

 

 

6.47

 

 

 

 

 

 

 

 

 

Options forfeited

 

 

(13,168

)

 

 

8.24

 

 

 

 

 

 

 

 

 

Balance: December 31, 2015

 

 

2,716,834

 

 

 

6.35

 

 

 

3.52 Years

 

 

$

14,782

 

Options exercisable

 

 

2,599,010

 

 

$

6.23

 

 

 

3.30 Years

 

 

$

14,463

 

 

Summary of RSUs Issued under Equity Incentive Plan

The following table provides a summary of the RSUs issued by the Company under its equity incentive plans for the periods ended December 31:

 

 

2017

 

2016

 

2015

 

 

Shares

 

Weighted

Average Grant

Date Fair Value

 

Shares

 

Weighted

Average Grant

Date Fair Value

 

Shares

 

Weighted

Average Grant

Date Fair Value

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance: January 1

 

117,308

 

 

$

10.19

 

 

134,728

 

 

$

9.93

 

 

8,888

 

 

$

9.00

 

New RSUs

 

110,463

 

 

 

17.62

 

 

50,568

 

 

 

11.15

 

 

147,364

 

 

 

10.00

 

Shares vested and issued

 

(78,005

)

 

 

12.01

 

 

(67,988

)

 

 

10.39

 

 

(21,524

)

 

 

10.00

 

RSUs forfeited

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance December 31

 

149,766

 

 

$

14.73

 

 

117,308

 

 

$

10.19

 

 

134,728

 

 

$

9.93