Financial Instruments - Cash and Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents	[1]	$ 515,957	$ 664,593
Restricted cash		66,765	80,585
Cash, cash equivalents and restricted cash		582,722	745,178	$ 483,445	$ 518,366
Cash
Debt Securities, Available-for-sale [Line Items]
Cash, cash equivalents and restricted cash		112,134	144,102
Money market funds
Debt Securities, Available-for-sale [Line Items]
Cash, cash equivalents and restricted cash		$ 470,588	$ 601,076

[1] We have a variable interest entity related to a joint venture in the Republic of Korea (see Note 15 — SK ecoplant Strategic Investment), which represents a portion of the consolidated balances recorded within these financial statement line items.