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Consolidated Statements of Changes in Equity ¥ in Thousands, $ in Thousands | Ordinary Shares Class A ordinary shares CNY (¥) shares | Ordinary Shares Class B ordinary shares CNY (¥) shares | Additional Paid-in Capital Restricted Stock CNY (¥) | Additional Paid-in Capital Stock Options CNY (¥) | Additional Paid-in Capital CNY (¥) | Retained Earnings Restricted Stock CNY (¥) | Retained Earnings Stock Options CNY (¥) | Retained Earnings CNY (¥) | Accumulated other comprehensive (loss)/income CNY (¥) | Parent Stock Options CNY (¥) | Parent CNY (¥) | Noncontrolling Interest CNY (¥) | Treasury Stock Restricted Stock CNY (¥) shares | Treasury Stock Stock Options CNY (¥) shares | Treasury Stock CNY (¥) shares | Stock Options CNY (¥) | CNY (¥) shares | USD ($) shares
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2019 | shares | 22,484,657 | 8,315,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | ¥ 75 | ¥ 28 |  |  | ¥ 2,181,323 |  |  | ¥ 4,734,992 | ¥ 97,049 |  | ¥ 7,013,467 | ¥ 861,493 |  |  |  |  | ¥ 7,874,960 |
Treasury Stock, beginning (in shares) at Dec. 31, 2019 | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Treasury Stock, beginning at Dec. 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 0 |  |  |
Net Income |  |  |  |  |  |  |  | (745,225) |  |  | (745,225) | 1,703 |  |  |  |  | (743,522) |
Share-based compensation |  |  |  |  | 59,789 |  |  |  |  |  | 59,789 |  |  |  |  |  | ¥ 59,789 |
Vesting of restricted shares | shares | 75,253 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares upon exercise of options (in shares) | shares | 134,639 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 134,639 | 134,639
Issuance of ordinary shares upon exercise of options | ¥ 1 |  |  |  | 33,371 |  |  |  |  |  | 33,372 |  |  |  |  |  | ¥ 33,372 |
Restricted share units for settlement |  |  |  |  | 1,290,811 |  |  |  |  |  | 1,290,811 |  |  |  |  |  | 1,290,811 |
Repurchase of ordinary shares (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (544,202) |  |  |
Repurchase of ordinary shares |  |  |  |  |  |  |  |  |  |  | (290,913) |  |  |  | ¥ (290,913) |  | (290,913) |
Conversion of convertible notes, Shares | shares | 78,993 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss)-foreign currency translation adjustments |  |  |  |  |  |  |  |  | (176,934) |  | (176,934) | 24 |  |  |  |  | (176,910) |
Other comprehensive loss-change in fair value of available-for-sale investments |  |  |  |  |  |  |  |  | 771 |  | 771 |  |  |  |  |  | 771 |
Divestment of non-controlling interests |  |  |  |  |  |  |  |  |  |  |  | (90,849) |  |  |  |  | (90,849) |
Impact of acquisition |  |  |  |  |  |  |  |  |  |  |  | 1,417 |  |  |  |  | 1,417 |
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  |  |  | (28,335) |  |  |  |  | (28,335) |
Disposal of a subsidiary |  |  |  |  |  |  |  |  |  |  |  | (649,220) |  |  |  |  | (649,220) |
Acquisition of non-controlling interests in subsidiaries |  |  |  |  | 373 |  |  |  |  |  | 373 | (4,373) |  |  |  |  | (4,000) |
Balance (in shares) at Dec. 31, 2020 | shares | 22,773,542 | 8,315,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2020 | ¥ 76 | ¥ 28 |  |  | 3,565,667 |  |  | 3,989,767 | (79,114) |  | 7,185,511 | 91,860 |  |  |  |  | 7,277,371 |
Treasury Stock, ending (in shares) at Dec. 31, 2020 | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (544,202) |  |  |
Treasury Stock, ending at Dec. 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ (290,913) |  |  | $ (44,584)
Net Income |  |  |  |  |  |  |  | 1,314,131 |  |  | 1,314,131 | (8,050) |  |  |  |  | 1,306,081 |
Share-based compensation |  |  |  |  | 51,037 |  |  |  |  |  | 51,037 |  |  |  |  |  | ¥ 51,037 |
Issuance of ordinary shares upon exercise of options (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,606 | 37,606
Repurchase of ordinary shares (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (572,683) |  |  |
Repurchase of ordinary shares |  |  |  |  |  |  |  |  |  |  | (363,073) |  |  |  | ¥ (363,073) |  | ¥ (363,073) |
Other comprehensive income (loss)-foreign currency translation adjustments |  |  |  |  |  |  |  |  | (60,900) |  | (60,900) | 49 |  |  |  |  | (60,851) |
Receipt of employees' shares to satisfy tax withholding obligations related to share-based compensation |  |  |  |  |  |  |  |  |  |  | (34,788) |  |  |  | ¥ (34,788) |  | (34,788) |
Receipt Of Employees' Shares To Satisfy Tax Withholding Obligations Related To Share-Based Compensation (In Shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (89,572) |  |  |
Non-controlling interest capital injection |  |  |  |  | 15,689 |  |  |  |  |  | 15,689 | 27,674 |  |  |  |  | 43,363 |
Increase in Noah's capital from contribution of Non controlling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,689 |
Divestment of non-controlling interests |  |  |  |  | 3,547 |  |  |  |  |  | 3,547 | (14,190) |  |  |  |  | (10,643) |
Impact of acquisition |  |  |  |  |  |  |  |  |  |  |  | 1,012 |  |  |  |  | 1,012 |
Distributions to non-controlling interests |  |  |  |  |  |  |  |  |  |  |  | (5,772) |  |  |  |  | (5,772) |
Retirement of treasury stock, Shares | shares | (89,572) |  |  |  |  |  |  |  |  |  |  |  |  |  | 89,572 |  |  |
Retirement of treasury stock, Value |  |  |  |  |  |  |  | (34,788) |  |  |  |  |  |  | ¥ 34,788 |  |  |
Acquisition of non-controlling interests in subsidiaries |  |  |  |  | (187,090) |  |  |  |  |  | (187,090) | 8,283 |  |  |  |  | (178,807) |
Treasury stock, shares reissued | shares |  |  |  |  |  |  |  |  |  |  |  |  | 57,064 | 37,606 | 102,700 |  |  |
Treasury stock, reissued value |  |  | ¥ (5,700) | ¥ (3,748) | 95,339 | ¥ (26,857) | ¥ (6,594) | (48,336) |  | ¥ 11,114 | 105,597 |  | ¥ 32,557 | ¥ 21,456 | ¥ 58,594 | ¥ 11,114 | 105,597 |
Balance (in shares) at Dec. 31, 2021 | shares | 22,683,970 | 8,315,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2021 | ¥ 76 | ¥ 28 |  |  | 3,534,741 |  |  | 5,187,323 | (140,014) |  | 8,040,775 | 100,866 |  |  |  |  | ¥ 8,141,641 |
Treasury Stock, ending (in shares) at Dec. 31, 2021 | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (919,515) |  | (919,515) | (919,515)
Treasury Stock, ending at Dec. 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ (541,379) |  | ¥ (541,379) |
Net Income |  |  |  |  |  |  |  | 976,571 |  |  | 976,571 | (4,982) |  |  |  |  | 971,589 |
Share-based compensation |  |  |  |  | 42,300 |  |  |  |  |  | 42,300 |  |  |  |  |  | ¥ 42,300 |
Issuance of ordinary shares upon exercise of options (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,009 | 6,009
Restricted share units for settlement (in shares) | shares | 102,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss)-foreign currency translation adjustments |  |  |  |  |  |  |  |  | 137,468 |  | 137,468 | 87 |  |  |  |  | ¥ 137,555 | $ 19,944
Receipt of employees' shares to satisfy tax withholding obligations related to share-based compensation |  |  |  |  |  |  |  |  |  |  | (23,111) |  |  |  | ¥ (23,111) |  | (23,111) |
Receipt Of Employees' Shares To Satisfy Tax Withholding Obligations Related To Share-Based Compensation (In Shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (70,704) |  |  |
Non-controlling interest capital injection |  |  |  |  |  |  |  |  |  |  |  | 17,680 |  |  |  |  | 17,680 |
Divestment of non-controlling interests |  |  |  |  | (10,315) |  |  |  |  |  | (10,315) | (13,338) |  |  |  |  | (23,653) |
Impact of acquisition |  |  |  |  |  |  |  |  |  |  |  | 966 |  |  |  |  | 966 |
Distributions to non-controlling interests |  |  |  |  | (6,500) |  |  |  |  |  | (6,500) | (6,500) |  |  |  |  | (13,000) |
Class B Ordinary Shares transfer to Class A Ordinary Shares (in shares) | shares | 8,315,000 | (8,315,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class B Ordinary Shares transfer to Class A Ordinary Shares | ¥ 28 | ¥ (28) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of ordinary shares upon exercise of stock options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 247,015 | 35,814
Issuance of ordinary shares upon completion of Hong Kong public Offering (in shares) | shares | 1,152,160 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of ordinary shares upon completion of Hong Kong public Offering | ¥ 4 |  |  |  | 247,011 |  |  |  |  |  | 247,015 |  |  |  |  |  | 247,015 |
Retirement of treasury stock, Shares | shares | (951,898) |  |  |  |  |  |  |  |  |  |  |  |  |  | 951,898 |  |  |
Retirement of treasury stock, Value | ¥ (3) |  |  |  |  |  |  | (540,650) |  |  |  |  |  |  | ¥ 540,653 |  |  |
Treasury stock, shares reissued | shares |  |  |  |  |  |  |  |  |  |  |  |  | 32,312 | 6,009 |  |  |  |
Treasury stock, reissued value |  |  | ¥ (3,436) | ¥ (618) |  | ¥ (16,816) | ¥ (1,474) |  |  | ¥ 1,493 |  |  | ¥ 20,252 | ¥ 3,585 |  | ¥ 1,493 |  |
Balance (in shares) at Dec. 31, 2022 | shares | 31,301,932 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2022 | ¥ 105 | ¥ 0 |  |  | ¥ 3,803,183 |  |  | ¥ 5,604,954 | ¥ (2,546) |  | ¥ 9,405,696 | ¥ 94,779 |  |  |  |  | ¥ 9,500,475 | $ 1,377,439
Treasury Stock, ending (in shares) at Dec. 31, 2022 | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 | 0
Treasury Stock, ending at Dec. 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 0 |  |  |

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