Long-term Investments (Tables)

12 Months Ended

Dec. 31, 2021

Schedule of Equity Investments without Readily Determinable Fair Value

As of December 31, 2020 and 2021, the carrying amount of the Company’s equity investments without readily determinable fair value were as follows:

	As of December 31,
	2020			2021			2021
	RMB			RMB			US$
Initial cost basis		2,654,055			2,285,439			358,635
Cumulative unrealized gains		235,258			329,768			51,748
Cumulative unrealized losses (including impairment)		(247,468	)		(270,421	)		(42,435	)

Total carrying amount		2,641,845			2,344,786			367,948

Total realized and unrealized gains and losses for equity securities without readily determinable fair values for the years ended December 31, 2019, 2020 and 2021 are as follows:

	For the year ended December 31,
	2019		2020			2021		2021
	RMB		RMB			RMB		US$
Gross unrealized gains (upward adjustments)		7,024		38,595			94,510		14,831
Gross unrealized losses (downward adjustments excluding impairment)		—		(495	)		—		—

Net unrealized gains on equity securities held		7,024		38,100			94,510		14,831
Net realized gains on equity securities sold		—		—			—		—

Total net gains recognized in other income, net		7,024		38,100			94,510		14,831