Income Taxes - Schedule of Provision for Income Taxes (Details)	12 Months Ended
Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current income tax expense	¥ 0		¥ 0	¥ 2,293
Deferred tax expense	0		0	0
Income tax expense	¥ 0	$ 0	¥ 0	¥ 2,293

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Name:	us-gaap_DeferredIncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration