COMMITMENTS - SCHEDULE OF COMMERCIAL COMMITMENTS OUTSTANDING (Details) $ in Thousands |
Dec. 31, 2016
USD ($)
|
|---|---|
| Other Commitments | |
| Less Than 1 Year | $ 11,349 |
| 1-3 Years | 10,063 |
| 3-5 Years | 0 |
| More Than 5 Years | 1,437 |
| Total Amounts Committed | 22,849 |
| Purchase obligations | |
| Other Commitments | |
| Less Than 1 Year | 10,581 |
| 1-3 Years | 10,000 |
| 3-5 Years | 0 |
| More Than 5 Years | 0 |
| Total Amounts Committed | 20,581 |
| Letters of credit and surety bonds | |
| Other Commitments | |
| Less Than 1 Year | 768 |
| 1-3 Years | 63 |
| 3-5 Years | 0 |
| More Than 5 Years | 1,437 |
| Total Amounts Committed | $ 2,268 |