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v3.22.1

Summary of Principal Accounting Policies - Additional Information (Details) ¥ in Thousands, $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 01, 2019 | Apr. 30, 2018 | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2018 CNY (¥)
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Consolidated assets |  |  | ¥ 10,889,789 |  | ¥ 9,399,586 |  | $ 1,708,847 |
Cash and cash equivalent |  |  | 3,404,603 |  | 5,005,211 | ¥ 4,387,345 | 534,257 |
Shareholders' Equity |  |  | 8,141,641 |  | 7,277,371 | 7,874,960 | 1,277,603 | ¥ 6,175,377
Non-controlling interests |  |  | 100,866 |  | 91,860 |  | $ 15,829 |
Net income (loss) attributable to non-controlling interests |  |  | (8,050) | $ (1,263) | 1,703 | 34,608 |  |
Accounts receivable, allowance for doubtful accounts |  |  | ¥ 458 |  | ¥ 0 |  |  |
Account receivable balance due |  |  | 1 year | 1 year | 1 year |  |  |
Deferred revenue recognized |  |  | ¥ 67,800 |  | ¥ 91,700 | 133,500 |  |
Revenue, Practical Expedient, Financing Component [true false] |  |  | true | true |  |  |  |
Revenue, Practical Expedient, Initial Application and Transition, Nondisclosure of Transaction Price Allocation to Remaining Performance Obligation [true false] |  |  | true | true |  |  |  |
Government subsidies |  |  | ¥ 115,939 | $ 18,193 | 113,356 | 89,278 |  |
Foreign currency exchange rate, translation |  |  | 6.3726 |  |  |  | 6.3726 |
Operating lease right-of-use assets, net |  |  | ¥ 223,652 |  | 274,154 |  | $ 35,096 |
Operating lease liability |  |  | 222,244 |  | 280,856 |  | 34,875 |
Retained earnings |  |  | 5,187,323 |  | 3,989,767 |  | 814,005 |
Gain (Loss) on Sale of Loans and Leases |  |  | 0 |  |  |  |  |
Decrease in Noah's equity by acquiring equity interests from non-controlling interests for cash considerations |  |  | 178,800 |  |  |  |  |
Revenues |  |  | 4,326,600 | $ 678,938 | 3,324,712 | 3,413,176 |  |
Retained Earnings |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Shareholders' Equity |  |  | ¥ 5,187,323 |  | 3,989,767 | 4,734,992 |  | ¥ 3,946,107
ASU 2016-02 |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Lease, Practical Expedients, Package [true false] | true |  |  |  |  |  |  |
Mainland China |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
VAT rate one (as a percent) |  | 3.00% |  |  |  |  |  |
VAT rate two (as a percent) |  | 6.00% |  |  |  |  |  |
VAT rate three (as a percent) |  | 9.00% |  |  |  |  |  |
VAT rate four (as a percent) |  | 13.00% |  |  |  |  |  |
Primary VAT rate applicable to VIEs |  | 6.00% |  |  |  |  |  |
Investments Member | Product Concentration Risk | Net Revenue |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Concentration risk percentage |  |  | 11.40% | 11.40% |  |  |  |
Consolidated Fund |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Cash and cash equivalent |  |  | ¥ 24,806 |  | 8,335 |  |  |
Variable Interest Entity, Primary Beneficiary |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Consolidated assets |  |  | 3,332,970 |  | 2,653,128 |  | 523,017 |
Cash and cash equivalent |  |  | 1,181,479 |  | 839,534 |  | 185,400 |
Operating lease right-of-use assets, net |  |  | 15,031 |  | 19,010 |  | $ 2,359 |
Revenues |  |  | 1,514,458 | $ 237,651 | 984,744 | 872,066 |  |
Operating cost and expenses |  |  | 867,215 | $ 136,085 | ¥ 524,913 | ¥ 565,203 |  |
Variable Interest Entity, Primary Beneficiary | Asset Pledged as Collateral [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Consolidated assets |  |  | ¥ 0 |  |  |  |  |
Variable Interest Entity, Primary Beneficiary | Credit Concentration Risk | Net Revenue |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Percentage of net revenue |  |  | 35.10% | 35.10% | 29.60% | 25.60% |  |
Variable Interest Entity, Primary Beneficiary | Credit Concentration Risk | Net Income (Loss) |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Percentage of net income |  |  | 36.20% | 36.20% | 47.20% | 33.50% |  |
Variable Interest Entity, Primary Beneficiary | Credit Concentration Risk | Total Assets |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Percentage of total assets |  |  | 30.60% | 30.60% | 28.20% |  |  |
Variable Interest Entity, Primary Beneficiary | Investments Member |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Assets, deconsolidation |  |  | ¥ 757,800 |  |  |  |  |
Liabilities, deconsolidation |  |  | 108,600 |  |  |  |  |
Non-controlling interests, deconsolidation |  |  | 649,200 |  |  |  |  |
Intragroup transactions |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Revenues |  |  | 0 |  | ¥ 0 | ¥ 50,670 |  |
Operating cost and expenses |  |  | ¥ 0 |  | ¥ 141,702 | ¥ 184,712 |  |
Minimum |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Ownership percentage in affiliate to represent influence |  |  | 20.00% | 20.00% |  |  |  |

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