Related party transactions (Details) - Related Party - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Related Party Transaction [Line Items]
Fundings of joint ventures and equity method investments	$ 2,758	$ 9,708	$ 8,321	$ 11,081
Proceeds from joint ventures and equity method investments	$ 3,012	$ 4,291	$ 8,384	$ 5,347

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