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Other Current Assets - Summary of Other Current Assets (Parenthetical) (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 CNY (¥)
Other Current Assets [line items]
Impairment loss on development properties	¥ 0		¥ 3,000
Proceeds from disposal of equity securities	1,354	$ 209	16,429
Gain on disposal on equity investments	¥ 874	$ 135	¥ 11,528

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Other current assets.

+ References

No definition available.

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- Definition

The gain on the disposal of investments.

+ References

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- Definition

The amount of impairment loss recognised in profit or loss for investment property. [Refer: Impairment loss recognised in profit or loss; Investment property]

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The cash inflow from sales or maturity of financial instruments, classified as investing activities. [Refer: Financial instruments, class [member]]

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