| (22) | Other liabilities |
Other
liabilities as of December 31, 2017 and 2016 are as follows:
| Notes | December 31, 2017 |
December 31, 2016 |
||||||||||
| Derivative instruments | 26, 27 | $ | 137 | $ | 528 | |||||||
| Deferred income (1) | 24,471 | 24,606 | ||||||||||
| Other | — | 762 | ||||||||||
| Total | $ | 24,608 | $ | 25,896 | ||||||||
| Current | $ | 9,415 | $ | 11,085 | ||||||||
| Non–current | 15,193 | 14,811 | ||||||||||
| Total | $ | 24,608 | $ | 25,896 | ||||||||
| (1) | Deferred income include prepayment for services and supplemental payment. |