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Consolidated Statements of Changes in Equity ¥ in Thousands, $ in Thousands | Treasury Stock CNY (¥) shares | Additional Paid-in Capital CNY (¥) | Retained Earnings CNY (¥) | Accumulated other comprehensive (loss)/income CNY (¥) | Parent CNY (¥) | Parent USD ($) | Noncontrolling Interest CNY (¥) | Class A CNY (¥) shares | Class B CNY (¥) shares | CNY (¥) shares | USD ($) shares
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2016 | shares | (1,287,205) |  |  |  |  |  |  | 21,003,533 | 8,515,000 |  |
Balance at Dec. 31, 2016 | ¥ (130,439) | ¥ 1,226,216 | ¥ 2,241,694 | ¥ (5,433) | ¥ 3,332,137 |  | ¥ 59,135 | ¥ 70 | ¥ 29 | ¥ 3,391,272 |
Net Income |  |  | 769,124 |  | 769,124 |  | (13,745) |  |  | 755,379 |
Termination of redeemable non-controlling interest of a subsidiary (Note 13) |  |  | (6,201) |  | (6,201) |  |  |  |  | (6,201) |
Share-based compensation |  | 93,635 |  |  | 93,635 |  |  |  |  | ¥ 93,635 |
Vesting of restricted shares | shares |  |  |  |  |  |  |  | 115,995 |  |  |
Issuance of ordinary shares upon exercise of options (in shares) | shares |  |  |  |  |  |  |  | 203,174 |  | 203,174 | 203,174
Issuance of ordinary shares upon exercise of options |  | 19,691 |  |  | 19,692 |  |  | ¥ 1 |  | ¥ 19,692 |
Repurchase of ordinary shares | shares | (99,347) |  |  |  |  |  |  |  |  | (99,347) | (99,347)
Repurchase of ordinary shares | ¥ (31,280) |  |  |  | (31,280) |  |  |  |  | ¥ (31,280) | $ (4,809)
Conversion of convertible notes, Shares | shares |  |  |  |  |  |  |  | 108,554 |  |  |
Conversion of convertible notes, Value |  | 33,266 |  |  | 33,266 |  |  |  |  | 33,266 |
Other comprehensive income-foreign currency translation adjustments |  |  |  | (33,849) | (33,849) |  | (27) |  |  | (33,876) |
Other comprehensive income-change in fair value of available-for-sale investments |  |  |  | 252,706 | 252,706 |  |  |  |  | 252,706 |
Non-controlling Interest capital injection |  |  |  |  |  |  | 35,123 |  |  | 35,123 |
Non-controlling Interest capital divestment |  | 30 |  |  | 30 |  | (2,000) |  |  | (1,970) |
Transfer of Class B shares to Class A shares | shares |  |  |  |  |  |  |  | 50,000 | (50,000) |  |
Retirement of treasury stock, Shares | shares | 1,246,073 |  |  |  |  |  |  | (1,246,073) |  |  |
Retirement of treasury stock, Value | ¥ 121,452 |  | (121,448) |  |  |  |  | ¥ (4) |  |  |
Balance (in shares) at Dec. 31, 2017 | shares | (140,479) |  |  |  |  |  |  | 20,235,183 | 8,465,000 |  |
Balance at Dec. 31, 2017 | ¥ (40,267) | 1,372,838 | 2,883,169 | 213,424 | 4,429,260 |  | 78,486 | ¥ 67 | ¥ 29 | 4,507,746 |
Net Income |  |  | 811,297 |  | 811,297 |  | (7,551) |  |  | 803,746 |
Impact of ASU 2016-01 (Note 2(j)) |  |  | 251,641 | (251,641) |  |  |  |  |  |  |
Share-based compensation |  | 112,763 |  |  | 112,763 |  |  |  |  | ¥ 112,763 |
Vesting of restricted shares | shares |  |  |  |  |  |  |  | 133,010 |  |  |
Issuance of ordinary shares upon exercise of options (in shares) | shares |  |  |  |  |  |  |  | 201,630 |  | 201,630 | 201,630
Issuance of ordinary shares upon exercise of options |  | 45,895 |  |  | 45,896 |  |  | ¥ 1 |  | ¥ 45,896 |
Conversion of convertible notes, Shares | shares |  |  |  |  |  |  |  | 1,170,430 |  |  |
Conversion of convertible notes, Value |  | 364,068 |  |  | 364,072 |  |  | ¥ 4 |  | 364,072 |
Other comprehensive income-foreign currency translation adjustments |  |  |  | 75,841 | 75,841 |  | (89) |  |  | 75,752 |
Other comprehensive income-change in fair value of available-for-sale investments |  |  |  | (1,429) | (1,429) |  |  |  |  | (1,429) |
Non-controlling Interest capital injection |  |  |  |  |  |  | 63,929 |  |  | 63,929 |
Impact of acquisition |  |  |  |  |  |  | 290,663 |  |  | 290,663 |
Disposal of a subsidiary |  |  |  |  |  |  | (87,761) |  |  | (87,761) |
Transfer of Class B shares to Class A shares | shares |  |  |  |  |  |  |  | 150,000 | (150,000) |  |
Transfer of Class B shares to Class A shares, value |  |  |  |  |  |  |  | ¥ 1 | ¥ (1) |  |
Balance (in shares) at Dec. 31, 2018 | shares | (140,479) |  |  |  |  |  |  | 21,890,253 | 8,315,000 |  |
Balance at Dec. 31, 2018 | ¥ (40,267) | 1,895,564 | 3,946,107 | 36,195 | 5,837,700 |  | 337,677 | ¥ 73 | ¥ 28 | 6,175,377 |
Net Income |  |  | 829,151 |  | 829,151 |  | 34,608 |  |  | 863,759 |
Share-based compensation |  | 94,897 |  |  | 94,897 |  |  |  |  | ¥ 94,897 |
Vesting of restricted shares | shares |  |  |  |  |  |  |  | 124,592 |  |  |
Issuance of ordinary shares upon exercise of options (in shares) | shares |  |  |  |  |  |  |  | 152,410 |  | 152,410 | 152,410
Issuance of ordinary shares upon exercise of options |  | 31,685 |  |  | 31,686 |  |  | ¥ 1 |  | ¥ 31,686 |
Conversion of convertible notes, Shares | shares |  |  |  |  |  |  |  | 457,881 |  |  |
Conversion of convertible notes, Value |  | 141,537 |  |  | 141,539 |  |  | ¥ 2 |  | 141,539 |
Other comprehensive income-foreign currency translation adjustments |  |  |  | 61,651 | 61,651 |  | (50) |  |  | 61,601 | $ 8,848
Other comprehensive income-change in fair value of available-for-sale investments |  |  |  | (797) | (797) |  |  |  |  | (797) |
Non-controlling Interest capital injection |  | 17,640 |  |  | 17,640 | $ 2,534 | 500,973 |  |  | 518,613 |
Impact of acquisition |  |  |  |  |  |  | 1,001 |  |  | 1,001 |
Return of non-controlling interests of subsidiaries |  |  |  |  |  |  | (6,988) |  |  | (6,988) |
Disposal of a subsidiary |  |  |  |  |  |  | (5,728) |  |  | (5,728) |
Retirement of treasury stock, Shares | shares | 140,479 |  |  |  |  |  |  | (140,479) |  |  |
Retirement of treasury stock, Value | ¥ 40,267 |  | (40,266) |  |  |  |  | ¥ (1) |  |  |
Balance (in shares) at Dec. 31, 2019 | shares |  |  |  |  |  |  |  | 22,484,657 | 8,315,000 |  |
Balance at Dec. 31, 2019 |  | ¥ 2,181,323 | ¥ 4,734,992 | ¥ 97,049 | ¥ 7,013,467 |  | ¥ 861,493 | ¥ 75 | ¥ 28 | ¥ 7,874,960 | $ 1,131,167

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