Assets Held for Sale (Tables)	6 Months Ended
Assets Held for Sale (Tables)	Jun. 30, 2026
Assets Held for Sale [Abstract]
Major Classes of Assets and Liabilities Classified as Held for Sale	(in US$ thousands) June 30, 2026 Trade receivables, net $ 9,770 Inventories, net 12,137 Other current assets 1,239 Property, plant and equipment, net 27,095 Other noncurrent assets 1,634 Total assets held for sale $ 51,875 Accounts payable $ 896 Accrued expenses and other current liabilities 2,368 Contract obligations 19,602 Asset retirement obligations 27,839 Total liabilities associated with assets held for sale $ 50,705

Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

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