GOODWILL (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Changes in the carrying amount of goodwill | ||
| Balance at the beginning | $ 166,906 | $ 164,959 |
| Foreign currency impact | (238) | |
| Accumulated impairment losses | (130,268) | (130,268) |
| Balance at the beginning | 36,400 | 34,691 |
| Acquisitions | 1,066 | 1,947 |
| Foreign currency impact | (180) | (238) |
| Changes during the period | 886 | 1,709 |
| Balance at the end | 167,972 | 166,906 |
| Foreign currency impact | (418) | (238) |
| Accumulated impairment losses | (130,268) | (130,268) |
| Balance at the end | $ 37,286 | $ 36,400 |