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Inventories Related to Real Estate Business (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Summary of Inventories Related to Real Estate Business |
|  | December 31
|  | 2017 |  | 2018
|  | NT$ |  | NT$ |  | US$ (Note 4)
Land and buildings held for sale |  | $ | 25,825 |  |  | $ | 20,734 |  |  | $ | 677 |
Construction in progress |  |  | 8,106,166 |  |  |  | 8,252,348 |  |  |  | 269,597 |
Land held for construction |  |  | 1,687,525 |  |  |  | 1,787,526 |  |  |  | 58,397 |
|  | $ | 9,819,516 |  |  | $ | 10,060,608 |  |  | $ | 328,671 |

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