CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents		$ 387,483	$ 451,025
Short-term investments		19,160	1,290
Accounts receivable, net of allowance of $52,427 and $52,895, respectively		324,970	327,397
Inventory, net		146,254	127,947
Other current assets		82,687	92,964
Total current assets		960,554	1,000,623
Property, plant and equipment, net		2,945,964	3,026,100
Restricted cash held in trust		418,125	284,841
Deferred income taxes		239,363	257,320
Other long-term assets		162,844	160,970
Total assets	[1]	4,726,850	4,729,854
Current liabilities:
Trade accounts payable		287,228	314,041
Accrued liabilities		212,974	247,575
Income taxes payable		22,998	27,990
Current lease liabilities		5,503	6,784
Total current liabilities		528,703	596,390
Long-term debt		2,501,339	2,537,540
Other long-term liabilities		312,631	377,671
Deferred income taxes		1,810	2,858
Total liabilities	[1]	3,344,483	3,514,459
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest in subsidiary		834,195	678,604
Shareholders' equity:
Common shares, par value $0.05 per share: Authorized common shares 32,000; issued 10,635 and 10,505, respectively		527	525
Capital in excess of par value		3,535,728	3,536,373
Accumulated other comprehensive income (loss)		(10,422)	(11,038)
Retained earnings (accumulated deficit)		(1,861,848)	(1,841,153)
Less: treasury shares, at cost, 1,161 and 1,090 common shares, respectively		(1,315,751)	(1,315,751)
Total shareholders' equity		348,234	368,956
Noncontrolling interest		199,938	167,835
Total equity		548,172	536,791
Total liabilities and equity		$ 4,726,850	$ 4,729,854

[1] The condensed consolidated balance sheets as of September 30, 2023 and December 31, 2022 include assets and liabilities of variable interest entities. See Note 3—Joint Ventures and Note 13—Special Purpose Acquisition Companies for additional information.