Supplemental Financial Statement Information (Allowance for Credit on Losses for Accounts and Other Receivables) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	$ 27,096	$ 5,292
Amounts charged to expense	(3,608)	33,804
Write-offs, recoveries and other	(4,885)	(2,305)
Balance at end of period	18,603	36,791
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	18,603	36,791
Accounts and other receivables
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at end of period	8,137	7,480
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	8,137	7,480
Other current assets and prepayments
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at end of period	10,466	29,311
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for doubtful accounts	$ 10,466	$ 29,311