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Inventories Related to Real Estate Business (Tables) | 12 Months Ended
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Dec. 31, 2017
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Summary of Inventories Related to Real Estate Business |
|  | December 31
|  | 2016 |  | 2017
|  | NT$ |  | NT$ |  | US$ (Note 4)
Land and buildings held for sale |  | $ | 263,526 |  |  | $ | 25,825 |  |  | $ | 871 |
Construction in progress |  |  | 22,236,464 |  |  |  | 8,106,166 |  |  |  | 273,488 |
Land held for construction |  |  | 1,687,525 |  |  |  | 1,687,525 |  |  |  | 56,934 |
|  | $ | 24,187,515 |  |  | $ | 9,819,516 |  |  | $ | 331,293 |

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