ORDINARY SHARES (Details) $ / shares in Units, ¥ in Thousands, $ in Thousands |
12 Months Ended | |||||||||
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Dec. 31, 2025
CNY (¥)
shares
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Dec. 31, 2025
USD ($)
$ / shares
shares
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Dec. 31, 2024
CNY (¥)
shares
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Dec. 31, 2024
USD ($)
shares
|
Dec. 31, 2023
CNY (¥)
shares
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Dec. 31, 2023
USD ($)
shares
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Dec. 31, 2022
shares
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Dec. 31, 2024
USD ($)
$ / shares
shares
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Dec. 31, 2023
USD ($)
shares
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Dec. 31, 2021
shares
|
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| REFERRED SHARES | ||||||||||
| Authorized capital | $ | $ 10 | |||||||||
| Ordinary shares, shares authorized | 500,000,000 | 500,000,000 | 500,000,000 | |||||||
| Ordinary shares, par value | $ / shares | $ 0.00002 | $ 0.00002 | ||||||||
| Ordinary shares, shares issued | 209,551,893 | 211,083,301 | 209,920,447 | 204,135,029 | 211,083,301 | 209,920,447 | 193,770,753 | |||
| Ordinary shares, shares outstanding | 209,429,353 | 205,509,057 | 208,560,447 | 201,189,189 | 205,509,057 | 208,560,447 | 190,824,913 | |||
| Treasury stock at cost, shares | 122,540 | 5,574,244 | 1,360,000 | 2,945,840 | 5,574,244 | 1,360,000 | 2,945,840 | |||
| Principal amount of debt converted | ¥ 0 | $ 0 | ¥ 465,167 | $ 55,200 | ¥ 247,290 | $ 14,100 | ||||
| Exercise of share option | 158,000 | 158,000 | ||||||||
| Amount of conversion of convertible securities | ¥ | ¥ 465,167 | ¥ 247,290 | ||||||||
| Ordinary shares issued upon a conversion of convertible securities (in shares) | 11,994,720 | 11,994,720 | 2,938,412 | 2,938,412 | ||||||
| Vesting of restricted share units (in shares) | 4,042,836 | 4,042,836 | 5,822,846 | 5,822,846 | 5,792,846 | 5,792,846 | ||||
| Repurchase of ordinary shares | ¥ | ¥ 3,970 | ¥ 874,964 | ¥ 79,282 | |||||||
| 2024 Convertible Notes | ||||||||||
| REFERRED SHARES | ||||||||||
| Principal amount of debt converted | $ | $ 55,200 | |||||||||
| Amount of conversion of convertible securities | $ | $ 55,200 | $ 14,100 | ||||||||
| Ordinary shares issued upon a conversion of convertible securities (in shares) | 11,994,720 | 11,994,720 | 2,938,412 | 2,938,412 | ||||||
| Carrying amount of the converted notes upon the conversions | ¥ 664,000 | ¥ 301,000 | $ 94,000 | $ 44,000 | ||||||
| American Depositary Shares | ||||||||||
| REFERRED SHARES | ||||||||||
| Treasury stock, shares, acquired | 340,000 | 340,000 | ||||||||
| Treasury stock, value, acquired, cost method | ¥ | ¥ 79,000 | |||||||||
| Repurchase of ordinary shares (in shares) | 30,635 | 30,635 | 5,256,739 | 5,256,739 | ||||||
| Repurchase of ordinary shares | ¥ 4,000 | $ 500 | ¥ 875,000 | $ 123,000 | ||||||
| Repurchase of shares cancelled and retired | 1,393,561 | 1,393,561 | 4,203,178 | 4,203,178 | ||||||
| Other Common Stock | ||||||||||
| REFERRED SHARES | ||||||||||
| Treasury stock, shares, acquired | 1,360,000 | 1,360,000 | ||||||||
| Repurchase of ordinary shares (in shares) | 122,540 | 122,540 | 21,026,956 | 21,026,956 | ||||||
| Repurchase of shares cancelled and retired | 5,574,244 | 5,574,244 | 16,812,712 | 16,812,712 | ||||||
| Employee Stock Option | ||||||||||
| REFERRED SHARES | ||||||||||
| Exercise of share option | 10,364,276 | |||||||||
| X | ||||||||||
- Definition Number of shares issued related to Restricted Stock Awards exercised during the period. No definition available.
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| X | ||||||||||
- Definition Value of capital units or capital shares. This element is relevant to issuers of face-amount certificates and registered investment companies. No definition available.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares issued during the period as a result of the conversion of convertible securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The gross value of stock issued during the period upon the conversion of convertible securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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