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Organization and Principal Activities - Noah Investments Subsidiaries (Details) | 12 Months Ended
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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%

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