Summary of significant accounting policies - Intangible Assets, net (Details)	Jun. 30, 2026
Minimum
Intangible assets, net
Useful life	5 years
Maximum
Intangible assets, net
Useful life	10 years
Software \| Minimum
Intangible assets, net
Useful life	5 years
Software \| Maximum
Intangible assets, net
Useful life	10 years
Copyrights
Intangible assets, net
Useful life	10 years

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.

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