Fair value measurements - Schedule of Fair Value of Long-Term Debt Outstanding (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Fair value, balance sheet grouping [Line Items]
Long-term debt	$ 2,577,157	$ 2,676,855	$ 2,181,935
Carrying amount
Fair value, balance sheet grouping [Line Items]
Long-term debt	2,577,157	2,676,855	2,181,935
Fair value
Fair value, balance sheet grouping [Line Items]
Long-term debt, fair value	$ 2,338,445	$ 2,385,170	$ 1,886,060

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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+ Details