Summary of accounting policies - Basis of presentation Narrative (Details) $ in Millions	3 Months Ended
Mar. 31, 2026 USD ($)
Accounting Policies [Abstract]
Payments for certain intangibles	$ 7.5

The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration