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Acquisitions - General Information (Details) - UZ Energy ¥ in Millions, $ in Millions	Sep. 15, 2025 USD ($)	Sep. 15, 2025 CNY (¥)	Jul. 25, 2025 USD ($)	Jul. 25, 2025 CNY (¥)	Sep. 30, 2025 USD ($)	Sep. 15, 2025 CNY (¥)	Sep. 14, 2025 USD ($)	Sep. 14, 2025 CNY (¥)
Business Combination, Description [Abstract]
Business combination, date of acquisition agreement	Jul. 25, 2025	Jul. 25, 2025
Business combination, voting equity interest acquired, percentage (as a percent)	100.00%					100.00%
Business combination, name of acquiree	Shenzhen UZ Energy Co. Ltd.	Shenzhen UZ Energy Co. Ltd.
Business combination, effective date of acquisition	Sep. 15, 2025	Sep. 15, 2025
Business combination, price of acquisition, expected, performance targets for contingent consideration met and not exceeded			$ 25.8	¥ 183.5
Business combination, price of acquisition, expected			$ 13.1	¥ 93.5
Business Combination, Consideration Transferred [Abstract]
Business combination, consideration transferred	$ 11.7	¥ 83.3
Business combination, capital contribution, working capital requirement	12.6	¥ 90.0
Business Combination, Contingent Consideration, Liability [Abstract]
Deferred consideration, current	3.3					¥ 23.5
Deferred consideration, non-current	$ 8.4					¥ 59.9	$ 8.4	¥ 59.9
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Business combination, contingent consideration, range of outcomes, minimum, amount					$ 0.3
Business combination, contingent consideration, range of outcomes, maximum, amount					$ 11.9

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