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Related Party Transactions - Deferred Revenues Related to Recurring Management Fee Received in Advance from Related Parties (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)
Related Party Transaction [Line Items]
Deferred revenue from related parties	¥ 17,111	$ 2,685	¥ 37,473
Gopher Asset Management Co., Ltd.
Related Party Transaction [Line Items]
Deferred revenue from related parties	16,373	2,569	35,820
Gopher Capital GP Ltd
Related Party Transaction [Line Items]
Deferred revenue from related parties	¥ 738	$ 116	¥ 1,653

X

- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(5))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

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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Period Type:	duration

X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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Period Type: