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Convertible redeemable preferred shares - Liquidation preferences (Details) | 12 Months Ended
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Dec. 31, 2023
Series D1 Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 110.00%
Liquidation preference per share, Interest rate (in percent) | 8.00%
Series D2 Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 110.00%
Liquidation preference per share, Interest rate (in percent) | 8.00%
Series E Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 110.00%
Liquidation preference per share, Interest rate (in percent) | 8.00%
Series C1 Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 100.00%
Liquidation preference per share, Interest rate (in percent) | 8.00%
Series C2 Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 100.00%
Liquidation preference per share, Interest rate (in percent) | 8.00%
Series A Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 100.00%
Liquidation preference per share, Interest rate (in percent) | 6.00%
Series A+ Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 100.00%
Liquidation preference per share, Interest rate (in percent) | 6.00%
Series B Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 100.00%
Liquidation preference per share, Interest rate (in percent) | 6.00%
Series B+ Preferred Shares |
Convertible redeemable preferred shares |
Liquidation preference per share, Percentage of original issue price (in percent) | 100.00%
Liquidation preference per share, Interest rate (in percent) | 6.00%

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