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Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - Dec. 31, 2019 - Maximum [Member]	CNY (¥)	USD ($)
Cash and Cash Equivalents [Line Items]
Cash, FDIC Insured Amount		$ 250,000
CHINA
Cash and Cash Equivalents [Line Items]
Cash deposits, insured	¥ 500,000	$ 70,000

X

- Definition

The amount of cash deposited in foreign banks that is insured.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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X

- Details

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