XML 78 R47.htm IDEA: XBRL DOCUMENT v3.20.1

Organization and Principal Activities - Noah Investments Subsidiaries (Details)	12 Months Ended
	Dec. 31, 2019
Tianjin Gopher Asset Management Co., Ltd.
Variable Interest Entity [Line Items]
Date of Incorporation	Mar. 18, 2010
Place of incorporation	PRC
Percentage of Ownership	100.00%
Gopher Asset Management Co., Ltd.
Variable Interest Entity [Line Items]
Date of Incorporation	Feb. 09, 2012
Place of incorporation	PRC
Percentage of Ownership	100.00%
Wuhu Gopher Asset Management Co., Ltd.
Variable Interest Entity [Line Items]
Date of Incorporation	Oct. 10, 2012
Place of incorporation	PRC
Percentage of Ownership	100.00%
Shanghai Gopher Asset Management Co., Ltd.
Variable Interest Entity [Line Items]
Date of Incorporation	Dec. 14, 2012
Place of incorporation	PRC
Percentage of Ownership	100.00%
Shanghai Mengkuan Asset Management Co Ltd
Variable Interest Entity [Line Items]
Date of Incorporation	Mar. 24, 2015
Place of incorporation	PRC
Percentage of Ownership	100.00%
Gopher Nuobao (Shanghai) Asset Management Co., Ltd.
Variable Interest Entity [Line Items]
Date of Incorporation	Apr. 10, 2013
Place of incorporation	PRC
Percentage of Ownership	100.00%

X

- Definition

Date when an entity was incorporated

+ References

No definition available.

+ Details

Name:	dei_EntityIncorporationDateOfIncorporation
Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Entity place of incorporation.

+ References

No definition available.

+ Details

Name:	noah_EntityPlaceOfIncorporation
Namespace Prefix:	noah_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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

Name:	us-gaap_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118582676&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=noah_TianjinGopherAssetManagementCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=noah_GopherAssetManagementCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=noah_WuhuGopherAssetManagementCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=noah_ShanghaiGopherAssetManagementCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=noah_ShanghaiMengkuanAssetManagementCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=noah_GopherNuobaoShanghaiAssetManagementCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: