Income Taxes - Components of net deferred taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 3,870,614	$ 4,004,602
Tax credit and other attribute carryforwards	86,188	86,896
Disallowed interest carryforward	33,907	19,311
Other	88,644	106,520
Subtotal	4,079,353	4,217,329
Valuation allowance	(3,825,551)	(3,962,200)
Deferred tax assets	253,802	255,129
Deferred tax liabilities:
Property, plant and equipment	34,089	15,181
Other	5,903	2,443
Deferred tax liability	39,992	17,624
Net deferred tax assets (liabilities)	213,810	237,505
Balance Sheet Summary :
Net noncurrent deferred tax asset	216,296	238,871
Net noncurrent deferred tax liability	(2,486)	(1,366)
Net deferred tax assets (liabilities)	$ 213,810	$ 237,505