STOCK BASED COMPENSATION - Activity in Stock Options (Details) - Stock options
$ / shares in Units, $ in Thousands |
12 Months Ended |
|
Dec. 31, 2016
USD ($)
$ / shares
shares
|
|---|
| Shares |
|
| Outstanding, beginning of year (in shares) | shares |
310,665
|
| Exercised (in shares) | shares |
(111,595)
|
| Forfeited or expired (in shares) | shares |
(5,956)
|
| Outstanding at end of period (in shares) | shares |
193,114
|
| Exercisable end of period (in shares) | shares |
181,710
|
| Fully vested and expected to vest(in shares) | shares |
192,542
|
| Weighted Average Exercise Price |
|
| Outstanding, beginning of year (in dollars per share) | $ / shares |
$ 12.83
|
| Exercised (in dollars per share) | $ / shares |
13.94
|
| Forfeited or expired (in dollars per share) | $ / shares |
16.07
|
| Outstanding, period end (in dollars per share) | $ / shares |
12.09
|
| Exercisable at end of period (in dollars per share) | $ / shares |
11.83
|
| Fully vested and expected to vest (in dollars per share) | $ / shares |
$ 12.07
|
| Stock options vested and currently exercisable |
|
| Outstanding at end of period, Weighted average remaining contractual term (years) |
4 years
|
| Outstanding at end of period, Aggregate intrinsic value | $ |
$ 4,309
|
| Exercisable at end of period, Weighted average remaining contractual term (years) |
3 years 9 months 18 days
|
| Exercisable at end of period, Aggregate intrinsic value | $ |
$ 4,101
|
| Fully vested and expected to vest, Weighted average remaining contractual term (years) |
4 years
|
| Fully vested and expected to vest, Aggregate intrinsic value | $ |
$ 4,299
|