| | 12-31-2017 | | ||||||||
| | Computer Software | | Water Rights | | Customer | | Others | | TOTAL | |
Reconciliation of intangible assets | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | |
Opening Balance | | 26,370 | | 5,689 | | 50,982 | | 6,456 | | 89,497 | |
Changes | | | | | | | | | | | |
Additions | | 7,487 | | 8 | | - | | 2,973 | | 10,468 | |
Additions through business combination | | 320 | | - | | - | | - | | 320 | |
Disposals | | (181) | | - | | - | | - | | (181) | |
Amortization | | (8,122) | | - | | (4,797) | | (408) | | (13,327) | |
Increase (Decrease) related to foreign currency translation | | 873 | | - | | 959 | | (96) | | 1,736 | |
Other Increases (Decreases) | | - | | - | | - | | 102 | | 102 | |
Changes Total | | 377 | | 8 | | (3,838) | | 2,571 | | (882) | |
Closing Balance | | 26,747 | | 5,697 | | 47,144 | | 9,027 | | 88,615 | |
| | 12-31-2016 | | ||||||||
| | Computer Software | | Water Rights | | Customer | | Others | | TOTAL | |
Reconciliation of intangible assets | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | | ThU.S.$ | |
Opening Balance | | 21,251 | | 5,485 | | 55,265 | | 6,111 | | 88,112 | |
Changes | | | | | | | | | | | |
Additions | | 12,935 | | 204 | | - | | 1,718 | | 14,857 | |
Disposals | | (1) | | - | | - | | - | | (1) | |
Amortization | | (8,368) | | - | | (4,770) | | (1,414) | | (14,552) | |
Increase (Decrease) related to foreign currency translation | | 178 | | - | | 487 | | 41 | | 706 | |
Other Increases (Decreases) | | 375 | | - | | - | | - | | 375 | |
Changes Total | | 5,119 | | 204 | | (4,283) | | 345 | | 1,385 | |
Closing Balance | | 26,370 | | 5,689 | | 50,982 | | 6,456 | | 89,497 | |