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Other Current Assets - Summary of Other Current Assets (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 CNY (¥)
Miscellaneous current assets [abstract]
Development properties	¥ 16,906	$ 2,612	¥ 17,721
Quoted equity securities	6,258	967	9,235
Total	¥ 23,164	$ 3,579	¥ 26,956

X

- Definition

Quoted equity securities.

+ References

No definition available.

+ Details

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Period Type:	instant

X

- Definition

The amount of property that is being constructed or developed for future use as investment property. [Refer: Investment property]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
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-URIDate 2020-01-01

+ Details

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Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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X

- Definition

The amount of current assets that the entity does not separately disclose in the same statement or note. [Refer: Current assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard
-URIDate 2020-01-01

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