Long-term Investments (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of Investments [Abstract]

Schedule of Equity Investments without Readily Determinable Fair Value

As of December 31, 2022 and 2023, the carrying amounts of the Group’s equity investments without readily determinable fair value were as follows:

	As of December 31,
	2022			2023			2023
	RMB			RMB			US$
Initial cost basis		2,286,171			2,474,037			348,461
Cumulative unrealized gains		87,226			82,746			11,655
Cumulative unrealized losses (including impairment)		(710,476	)		(970,194	)		(136,649	)
Total carrying amount		1,662,921			1,586,589			223,467

Total realized and unrealized gains and losses for equity securities without readily determinable fair values for the years ended December 31, 2021, 2022 and 2023 are as follows:

	For the year ended December 31,
	2021		2022		2023			2023
	RMB		RMB		RMB			US$
Gross unrealized gains (upward adjustments)		94,510		31,295		4,184			589
Gross unrealized losses (downward adjustments excluding impairment)		—		—		(8,211	)		(1,156	)
Net unrealized gains/(losses) on equity securities held		94,510		31,295		(4,027	)		(567	)
Net realized gains on equity securities sold		—		—		—			—
Total net gains/(losses) recognized		94,510		31,295		(4,027	)		(567	)

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

Available-for-sale debt investments are measured at fair value and consist of convertible debt instruments issued by private companies and investments in equity securities that are redeemable at the Company’s option with no contractual maturity date.

	As of
	December 31,			December 31,			December 31,
	2022			2023			2023
	RMB			RMB			US$
Cost or Amortized cost		319,975			315,087			44,380
Gross unrealized gains		176,219			169,008			23,804
Gross unrealized losses		(10,870	)		(18,089	)		(2,548	)
Fair value		485,324			466,006			65,636