Consideration received on transfer of equity method investment.

No definition available.

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- Definition

Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481664/323-10-45-1

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- Definition

Percentage of ownership of equity interest excluding interest in entity that is consolidated and equity method investee.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-1

+ Details

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
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- Definition

Amount of impairment loss on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-Publisher FASB
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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
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- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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- Details

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Long-term investments (Details) ¥ in Thousands, $ in Thousands	1 Months Ended		12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Long-term investments
Investment securities - related party			$ 1,811	$ 2,221
Equity method investments			10,625	7,499
Equity security without readily determinable fair values using the measurement alternative - related party			35,568
Total			48,004	9,720
Impairment charge of equity method investments			0	$ 0	$ 0
Group impairment charges			$ 0
Chongqing Qianli
Long-term investments
Equity interest owned by subsidiary (in percent)			5.00%
Wuxi InfiMotion
Long-term investments
Total consideration	$ 58,671	¥ 420,000