Related Parties - Summary of Balances Outstanding with ATR's Minority Shareholder and Its Affiliates (Detail) ¥ in Thousands, $ in Thousands	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 CNY (¥)
Related Party Transaction [Line Items]
Accounts receivable from related parties	$ 247		$ 1,066
Accounts payable to related parties	775		412
ATR [Member]
Related Party Transaction [Line Items]
Accounts receivable from related parties	247	¥ 1,789	1,066	¥ 7,352
Accounts payable to related parties	775	5,622	412	2,841
Other current liabilities:
Customer deposits	$ 402	¥ 3,089	$ 368	¥ 2,542

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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Amount of deposits held by the entity for a related party (entity, shareholder, employee).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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