Consolidated Statements of Changes in Shareholders' Equity ¥ in Thousands, $ in Thousands |
CNY (¥)
shares
|
USD ($)
shares
|
Ordinary shares
CNY (¥)
shares
|
Ordinary shares
USD ($)
shares
|
Additional paid-in capital
CNY (¥)
|
Additional paid-in capital
USD ($)
|
Treasury Stock, Common [Member]
CNY (¥)
|
Treasury Stock, Common [Member]
USD ($)
|
Accumulated other comprehensive income
CNY (¥)
|
Accumulated other comprehensive income
USD ($)
|
Retained earnings
CNY (¥)
|
Retained earnings
USD ($)
|
Noncontrolling interests
CNY (¥)
|
Noncontrolling interests
USD ($)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning balance, Amount at Dec. 31, 2022 | ¥ 23,482,987 | ¥ 8,550 | ¥ 8,064,283 | ¥ (750,337) | ¥ 369,643 | ¥ 16,196,703 | ¥ (405,855) | |||||||
| Beginning balance, Shares at Dec. 31, 2022 | shares | 492,742,468 | 492,742,468 | ||||||||||||
| Net income | 1,925,409 | 1,935,310 | (9,901) | |||||||||||
| Other comprehensive income (loss) | 72,936 | 72,991 | (55) | |||||||||||
| Dividends declared | (1,475,322) | (1,475,322) | ||||||||||||
| Exercise and vesting of share-based awards | 296 | ¥ 49 | 247 | |||||||||||
| Exercise and vesting of share-based awards, Shares | shares | 2,817,856 | 2,817,856 | ||||||||||||
| Share-based compensation | 195,092 | 195,092 | ||||||||||||
| Repurchase of ordinary shares, Shares | shares | (12,162,224) | (12,162,224) | ||||||||||||
| Repurchase of ordinary shares | (633,799) | (48,039) | (585,760) | |||||||||||
| Accretion of redeemable noncontrolling interests | (153,294) | (55,223) | (98,071) | |||||||||||
| Ending balance, Amount at Dec. 31, 2023 | 23,414,305 | ¥ 8,599 | 8,211,583 | (1,336,097) | 442,634 | 16,601,468 | (513,882) | |||||||
| Ending balance, Shares at Dec. 31, 2023 | shares | 483,398,100 | 483,398,100 | ||||||||||||
| Net income | 1,623,349 | 1,681,123 | (57,774) | |||||||||||
| Other comprehensive income (loss) | 52,825 | 52,750 | 75 | |||||||||||
| Dividends declared | (1,479,495) | (1,479,495) | ||||||||||||
| Exercise and vesting of share-based awards | 2,051 | ¥ 60 | 1,991 | |||||||||||
| Exercise and vesting of share-based awards, Shares | shares | 3,333,680 | 3,333,680 | ||||||||||||
| Share-based compensation | 192,024 | 192,024 | ||||||||||||
| Repurchase of ordinary shares, Shares | shares | (7,443,200) | (7,443,200) | ||||||||||||
| Repurchase of ordinary shares | (363,342) | (176,039) | (187,303) | |||||||||||
| Accretion of redeemable noncontrolling interests | (172,596) | (61,561) | (111,035) | |||||||||||
| Ending balance, Amount at Dec. 31, 2024 | ¥ 23,269,121 | ¥ 8,659 | 8,229,559 | (1,523,400) | 495,384 | 16,741,535 | (682,616) | |||||||
| Ending balance, Shares at Dec. 31, 2024 | shares | 479,288,580 | 479,288,580 | 479,288,580 | 479,288,580 | ||||||||||
| Net income | ¥ 1,390,122 | $ 198,785 | 1,442,830 | (52,708) | ||||||||||
| Other comprehensive income (loss) | (95,890) | (13,712) | (95,837) | (53) | ||||||||||
| Dividends declared | (1,479,889) | (1,479,889) | ||||||||||||
| Exercise and vesting of share-based awards | 24 | 24 | ||||||||||||
| Exercise and vesting of share-based awards, Shares | shares | 4,293,312 | 4,293,312 | ||||||||||||
| Share-based compensation | 218,974 | 218,974 | ||||||||||||
| Repurchase of ordinary shares, Shares | shares | (20,543,184) | (20,543,184) | ||||||||||||
| Repurchase of ordinary shares | (938,814) | (224,270) | (714,544) | |||||||||||
| Accretion of redeemable noncontrolling interests | (189,661) | (57,697) | (131,964) | |||||||||||
| Ending balance, Amount at Dec. 31, 2025 | ¥ 22,173,987 | $ 3,170,838 | ¥ 8,659 | $ 1,238 | ¥ 8,224,287 | $ 1,176,058 | ¥ (2,237,944) | $ (320,022) | ¥ 399,547 | $ 57,134 | ¥ 16,646,779 | $ 2,380,458 | ¥ (867,341) | $ (124,028) |
| Ending balance, Shares at Dec. 31, 2025 | shares | 463,038,708 | 463,038,708 | 463,038,708 | 463,038,708 |
| X | ||||||||||
- Definition Accretion of redeemable noncontrolling interests. No definition available.
|
| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). 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 Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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