Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of grant date fair value and related assumptions of Options granted
The expected dividend yield is 0% for all stock awards.
 
Year Ended December 31,
 
2016
 
2015
 
2014
Option valuation assumptions:
 
 
 
 
 
Expected dividend yield
—%
 
—%
 
—%
Expected volatility
56%
 
55%
 
73%
Risk-free interest rate
1.64%
 
1.69%
 
1.63%
Expected term (in years)
6.3
 
6.4
 
5.0
Schedule of Share-based Compensation, Stock Options, Activity
A summary of the changes in stock options outstanding during the year ended December 31, 2016, is as follows:
 
Number of Options
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contract Term (years)
 
Aggregate Intrinsic Value
Options outstanding as of December 31, 2015
765,375

 
$
12.46

 
 
 
 
Granted
247,600

 
$
17.01

 
 
 
 
Canceled
(117,875
)
 
$
15.25

 
 
 
 
Options outstanding as of December 31, 2016
895,100

 
$
13.35

 
8.2
 
$
3,457,748

Exercisable as of December 31, 2016
108,791

 
$
11.42

 
7.7
 
$
629,405
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
The following is provided for the share award vesting from the plans:
 
Year Ended December 31,
 
2016
 
2015
 
2014
Weighted average grant date fair value
$
—

 
$
—

 
$
10.00

The following is provided for stock options granted:
 
Year Ended December 31,
 
2016
 
2015
 
2014
Weighted average grant date fair value
$
8.96

 
$
7.44

 
$
5.38
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
A summary of the changes in restricted stock awards outstanding during the year ended December 31, 2016, is as follows:
 
Shares
 
Weighted Average Grant Date Fair Value
Nonvested at January 1, 2016
40,000

 
$
10.00

Vested
10,000

 
$
10.00

Nonvested at December 31, 2016
30,000

 
$
10.00