| 24. | ACCUMULATED OTHER COMPREHENSIVE INCOME |
| 12.31.2017 | 12.31.2016 | 12.31.2015 | ||||||||||
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Cash flow hedging reserve |
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Balances at the beginning of the year |
— | 54,402,733 | (1,907,301 | ) | ||||||||
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Net change on revaluation of hedging instruments |
— | (8,341,700 | ) | 84,945,905 | ||||||||
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Income tax related to gains/losses recognized in other comprehensive income |
— | 2,919,595 | (29,731,067 | ) | ||||||||
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Amounts reclassified to (profit) or loss |
— | (75,354,812 | ) | 1,684,882 | ||||||||
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Income tax related to amounts reclassified to profit or loss |
— | 26,374,184 | (589,686 | ) | ||||||||
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Balances at the end of the year |
— | — | 54,402,733 | |||||||||
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Exchange differences on translating foreign operations |
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Balances at the beginning of the year |
149,293,492 | 114,949,865 | 61,788,958 | |||||||||
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Exchange differences of the year attributable to the owners of the Company |
101,151,222 | 34,343,627 | 53,160,907 | |||||||||
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Balances at the end of the year |
250,444,714 | 149,293,492 | 114,949,865 | |||||||||
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Total accumulated other comprehensive income |
250,444,714 | 149,293,492 | 169,352,598 | |||||||||
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