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Operating Lease Arrangements (Tables) | 12 Months Ended
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Dec. 31, 2018
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Summary of Future Minimum Lease Payments of Non-cancellable Operating Lease Agreements (Lessee) | The future minimum lease payments of non-cancellable operating lease agreements were as follows:
|  | December 31
|  | 2017 |  | 2018
|  | NT$ |  | NT$ |  | US$ (Note 4)
Less than 1 year |  | $ | 246,026 |  |  | $ | 509,994 |  |  | $ | 16,661 |
1-5 years |  |  | 439,408 |  |  |  | 828,482 |  |  |  | 27,066 |
More than 5 years |  |  | 419,232 |  |  |  | 1,047,626 |  |  |  | 34,225 |
|  | $ | 1,104,666 |  |  | $ | 2,386,102 |  |  | $ | 77,952 |
Summary of Future Minimum Lease Payments of Non-cancellable Operating Lease Agreements (Lessor) | The future minimum lease payments of non-cancellable operating lease agreements were as follows:
|  | December 31, 2018
|  | NT$ |  | US$ (Note 4)
Less than 1 year |  | $ | 916,891 |  |  | $ | 29,954 |
1-5 years |  |  | 2,391,843 |  |  |  | 78,139 |
More than 5 years |  |  | 1,157,093 |  |  |  | 37,801 |
|  | $ | 4,465,827 |  |  | $ | 145,894 |

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- Definition The disclosure of finance leases and operating leases by the lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 31 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_31&doctype=Standard&book=b -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 35 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_35&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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- Definition The disclosure of finance leases and operating leases by the lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 47 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_47&doctype=Standard&book=b -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 56 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_56&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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