CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 394,028	$ 991,471
Short-term investments	11	17
Accounts receivable, net of allowance of $90,321 and $67,292, respectively	297,209	287,572
Inventory, net	132,126	126,448
Assets held for sale	16,582	16,561
Other current assets	104,112	95,740
Total current assets	944,068	1,517,809
Property, plant and equipment, net	3,245,574	3,332,498
Restricted cash held in trust	281,549	281,523
Deferred income taxes	256,543	258,631
Other long-term assets	129,432	134,903
Total assets	4,857,166	5,525,364
Current liabilities:
Trade accounts payable	278,878	253,748
Accrued liabilities	209,910	247,171
Income taxes payable	19,327	18,887
Current lease liabilities	5,330	5,422
Total current liabilities	513,445	525,228
Long-term debt	2,610,092	3,262,795
Other long-term liabilities	372,592	340,347
Deferred income taxes	2,478	2,773
Total liabilities	3,498,607	4,131,143
Commitments and contingencies (Note 15)
Redeemable noncontrolling interest in subsidiary	677,829	675,283
Shareholders' equity:
Common shares, par value $0.05 per share: Authorized common shares 32,000; issued 10,475 and 9,295, respectively	523	466
Capital in excess of par value	3,593,355	3,454,563
Accumulated other comprehensive income (loss)	(9,298)	(10,634)
Retained earnings (accumulated deficit)	(1,725,213)	(1,537,988)
Less: treasury shares, at cost, 1,090 and 1,090 common shares, respectively	(1,315,751)	(1,315,751)
Total shareholders' equity	543,616	590,656
Noncontrolling interest	137,114	128,282
Total equity	680,730	718,938
Total liabilities and equity	$ 4,857,166	$ 5,525,364