Period of extension of share repurchase program.

No definition available.

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- Definition

Line items of basic and diluted per share.

+ References

No definition available.

+ Details

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- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

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- Definition

Period share may be purchased under authorized share repurchase plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Name Accounting Standards Codification
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-Publisher FASB
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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481549/505-30-45-1

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Balance Type:	debit
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- Details

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- Details

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- Details

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SHAREHOLDERS' EQUITY - Share Repurchase Programs (Details) ¥ in Thousands, $ in Millions	1 Months Ended				12 Months Ended
	Aug. 31, 2025 USD ($)	Aug. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2025 CNY (¥) shares	Dec. 31, 2025 USD ($) shares	Dec. 31, 2024 CNY (¥) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 CNY (¥) shares	Dec. 31, 2023 USD ($) shares	Mar. 31, 2026 USD ($)
SHAREHOLDERS' EQUITY
Repurchase value of stock \| ¥					¥ 71,770		¥ 1,632,987		¥ 184,698
Share repurchase program
SHAREHOLDERS' EQUITY
Repurchase value of stock						$ 10.2		$ 228.8		$ 26.0
Share repurchase program \| Common Class A
SHAREHOLDERS' EQUITY
Repurchase of ordinary shares (in shares) \| shares					1,017,496	1,017,496	32,473,978	32,473,978	3,530,912	3,530,912
Share repurchase program authorized in 2023
SHAREHOLDERS' EQUITY
Stock repurchase program, authorized amount				$ 150.0
Stock repurchase program, period in force				12 months
Share repurchase program authorized in March 2024
SHAREHOLDERS' EQUITY
Stock repurchase program, authorized amount			$ 200.0
Stock repurchase program, period in force			12 months
Share repurchase program authorized in August 2024
SHAREHOLDERS' EQUITY
Stock repurchase program, authorized amount		$ 150.0
Stock repurchase program, period in force		12 months
Share repurchase program amendment in August 2025
SHAREHOLDERS' EQUITY
Stock repurchase program, authorized amount	$ 250.0
Stock repurchase program, extended period	12 months
Share repurchase program amendment in March 2026 \| Subsequent Event
SHAREHOLDERS' EQUITY
Stock repurchase program, authorized amount											$ 400.0