Shareholders' Equity (Details)
$ / shares in Units, $ in Thousands |
6 Months Ended |
|
Jun. 30, 2018
USD ($)
$ / shares
shares
|
|---|
| Number of shares upon exercise |
|
|
| Outstanding at beginning of year | shares |
2,360,647
|
|
| Weighted average exercise price |
|
|
| Outstanding at beginning of year | $ / shares |
$ 10.76
|
|
| Stock Option [Member] |
|
|
| Number of shares upon exercise |
|
|
| Outstanding at beginning of year | shares |
2,360,647
|
|
| Granted | shares |
3,333
|
|
| Exercised | shares |
(261,670)
|
|
| Forfeited | shares |
(99,326)
|
|
| Outstanding at end of year | shares |
2,002,984
|
|
| Exercisable at end of year | shares |
944,037
|
|
| Weighted average exercise price |
|
|
| Outstanding at beginning of year | $ / shares |
$ 10.76
|
|
| Granted | $ / shares |
13.40
|
|
| Exercised | $ / shares |
5.69
|
|
| Forfeited | $ / shares |
12.50
|
|
| Outstanding at end of year | $ / shares |
11.5
|
|
| Exercisable at end of year | $ / shares |
$ 8.67
|
|
| Weighted- average remaining contractual term (in years) |
|
|
| Outstanding at beginning of year |
8 years 18 days
|
|
| Granted |
9 years 7 months 21 days
|
|
| Exercised |
8 years 9 months 14 days
|
|
| Forfeited |
7 years 1 month 13 days
|
|
| Outstanding at end of year |
7 years 9 months 11 days
|
|
| Exercisable at end of year |
6 years 11 months 12 days
|
|
| Aggregate intrinsic value |
|
|
| Outstanding at end of year | $ |
$ 12,788
|
[1] |
| Exercisable at end of year | $ |
$ 8,641
|
[1] |
|
|