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v3.22.1

Summary of Principal Accounting Policies - Summary of Effects of Changes in Group's Ownership Interest in Less than Wholly Owned Subsidiaries on Equity Attributable to Noah Holdings Limited Shareholders (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |  |  |
Net income (loss) attributable to Noah Holdings Limited shareholders | ¥ 1,314,131 | $ 206,215 | ¥ (745,225) | ¥ 829,151
Transfers from (to) the non-controlling interests: |  |  |  |
Increase in Noah's equity from divestment of non-controlling interests | 3,547 | 557 |  |
Increase in Noah's capital from contribution of Non controlling interests | 15,689 | 2,462 |  | 17,640
Net transfers from (to) non-controlling interests | (167,854) | (26,340) | 373 | 17,640
Change from net income (loss) attributable to Noah Holdings Limited shareholders and transfers from (to) non-controlling interests | 1,146,277 | 179,875 | (744,852) | ¥ 846,791
Parent |  |  |  |
Transfers from (to) the non-controlling interests: |  |  |  |
Increase (decrease) in Noah's equity by acquiring equity interests from non-controlling interests | ¥ (187,090) | $ (29,359) | ¥ 373 |

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