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Risks and Concentration - Supplier's concentration (Details) - Total purchases - Supplier concentration risk	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplier A
Risks and Concentration
Concentration risk percentage		15.00%	25.00%
Supplier B
Risks and Concentration
Concentration risk percentage	11.00%

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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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