Financial assets at FVTPL - Additional Information (Details) - Investment In a Listed Company $ / shares in Units, ¥ in Millions, $ in Millions	1 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2025 USD ($)	Jun. 30, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 CNY (¥)
Financial assets at fair value through profit or loss [Line Items]
Subscription of common share value \| $	$ 20.0
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently, category [member]
Financial assets at fair value through profit or loss [Line Items]
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently	$ 20.0				¥ 138.7
Financial assets at fair value through profit or loss, category [member]
Financial assets at fair value through profit or loss [Line Items]
Company recognized loss		$ 2.2	¥ 15.9	$ 11.9
Ordinary shares [member]
Financial assets at fair value through profit or loss [Line Items]
Subscription of common share \| shares	4,416,000
Par value per share \| $ / shares	$ 4.53