|
LONG-TERM INVESTMENTS (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Components of long-term investments | ||
| Long-term investments | $ 114,983 | $ 179,990 |
| Cost method investments | ||
| Components of long-term investments | ||
| Long-term investments | 90,910 | 137,286 |
| Equity method investments | ||
| Components of long-term investments | ||
| Long-term investments | 10,593 | 22,073 |
| Marketable equity security | ||
| Components of long-term investments | ||
| Long-term investments | 7,410 | 11,711 |
| Auction rate security | ||
| Components of long-term investments | ||
| Long-term investments | $ 6,070 | $ 8,920 |