Long-term Investments (Tables)

9 Months Ended

Sep. 30, 2024

Schedule Of Investments [Abstract]

Schedule of Equity Investments without Readily Determinable Fair Value

Equity investments without readily determinable fair value

As of December 31, 2023 and September 30, 2024, the carrying amounts of the Group’s equity investments without readily determinable fair value were as follows:

	As of
	December 31,			September 30,			September 30,
	2023			2024			2024
	RMB			RMB			US$
Initial cost basis		2,474,037			2,175,562			310,015
Cumulative unrealized gains		82,746			79,040			11,263
Cumulative unrealized losses (including impairment)		(970,194	)		(1,115,421	)		(158,946	)
Total carrying amount		1,586,589			1,139,181			162,332

Total realized and unrealized gains and losses for equity securities without readily determinable fair values for the nine months ended September 30, 2023 and 2024 are as follows:

	For the nine months ended September 30,
	2023			2024		2024
	RMB			RMB		US$
Gross unrealized gains (upward adjustments)		4,184			—		—
Gross unrealized losses (downward adjustments excluding impairment)		(8,211	)		—		—
Net unrealized losses on equity securities held		(4,027	)		—		—
Net realized gains on equity securities sold		—			21,000		2,992
Total net (losses)/gains recognized		(4,027	)		21,000		2,992

Schedule of Available-for-Sale Debt Investments Measured at Fair Value and Consist of Convertible Debt Instruments

	As of
	December 31,			September 30,			September 30,
	2023			2024			2024
	RMB			RMB			US$
Cost or Amortized cost		315,087			798,064			113,723
Gross unrealized gains		169,008			22,443			3,198
Gross unrealized losses		(18,089	)		(110,328	)		(15,722	)
Fair value		466,006			710,179			101,199