STOCK OPTIONS - Narrative (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Stock based compensation |
$ 568
|
$ 413
|
$ 321
|
| Common stock options exercised |
$ 32
|
$ (448)
|
63
|
| Stock option |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Shares granted (in shares) |
432,000
|
45,500
|
|
| Shares authorized for issuance (in shares) |
2,200,000
|
|
|
| Shares available for issuance (in shares) |
400,825
|
|
|
| Stock based compensation |
$ 568
|
$ 413
|
321
|
| Common stock options exercised |
32
|
(448)
|
63
|
| Intrinsic value of options exercised |
$ 108
|
$ 1,600
|
$ 37
|
| Fair Value Assumption Used |
|
|
|
| Average risk-free interest rates |
1.31%
|
2.16%
|
2.65%
|
| Weighted average expected life |
7 years
|
7 years
|
7 years
|
| Expected volatility of the entity's stock price |
19.07%
|
13.90%
|
10.23%
|
| Expected dividend yield |
0.43%
|
0.51%
|
0.51%
|
| Awards Granted In Period First Group | Stock option |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Expiration term |
10 years
|
|
|
| Vesting period |
5 years
|
|
|
| Awards Granted In Period Second Group | Stock option |
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
| Expiration term |
10 years
|
|
|
| Shares granted (in shares) |
22,000
|
|
|
| Vesting period |
3 years
|
|
|