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Accounts Receivable, Net - Summary of Movement in the Allowances for Doubtful Accounts (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)
Accounts Receivable Allowance For Credit Loss [Line Items]
Balance at the beginning of the year	¥ 38,396	$ 5,260	¥ 42,914	¥ 39,166
Provisions/(Reversals)	7,471	1,024	(4,518)	3,748
Balance at the end of the year	¥ 45,867	$ 6,284	¥ 38,396	¥ 42,914

X

- Definition

Accounts receivable allowance for credit loss.

+ References

No definition available.

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- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
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