Loans Payable (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Outstanding Borrowings from Asset-Backed Debt Securities

As of December 31, 2020 and 2021, the outstanding borrowings from asset-backed debt securities were as follows:

	As of December 31,
	2020		2021		2021
	RMB		RMB		US$
Short-term loans		—		762,717		119,687
Long-term loans, current portion		498,252		—		—
Total carrying amount		498,252		762,717		119,687