Revenue recognition - Schedule of Other Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total other revenue	$ 22,700	$ 27,580	$ 52,268	$ 67,799
Interest income and other revenue
Disaggregation of Revenue [Line Items]
Total other revenue	69	0	184	11,449
Operation and maintenance revenue
Disaggregation of Revenue [Line Items]
Total other revenue	$ 22,631	$ 27,580	$ 52,084	$ 56,350

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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+ Details