|
Segment Information - Segment Activity (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Dec. 31, 2013
|
|
| Segment Reporting Information [Line Items] | |||
| Revenues | $ 28,071 | $ 44,137 | |
| Income (loss) from operations | (650) | 21,503 | |
| Total assets | 297,061 | 308,167 | |
|
Operating Segments | Corporate and Other
|
|||
| Segment Reporting Information [Line Items] | |||
| Revenues | |||
| Income (loss) from operations | (1,948) | (2,174) | |
| Total assets | 28,416 | 20,211 | |
|
Operating Segments | Gabon
|
|||
| Segment Reporting Information [Line Items] | |||
| Revenues | 27,741 | 43,655 | |
| Income (loss) from operations | 2,687 | 30,862 | |
| Total assets | 236,481 | 256,033 | |
|
Operating Segments | Angola
|
|||
| Segment Reporting Information [Line Items] | |||
| Revenues | |||
| Income (loss) from operations | (1,126) | (1,203) | |
| Total assets | 12,443 | 12,204 | |
|
Operating Segments | Equatorial Guinea
|
|||
| Segment Reporting Information [Line Items] | |||
| Revenues | |||
| Income (loss) from operations | (200) | (290) | |
| Total assets | 10,041 | 10,059 | |
|
Operating Segments | USA
|
|||
| Segment Reporting Information [Line Items] | |||
| Revenues | 330 | 482 | |
| Income (loss) from operations | (63) | (5,692) | |
| Total assets | $ 9,680 | $ 9,660 | |