CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 480,522	$ 435,990
Short-term investments	9,136	16,506
Accounts receivable, net	454,718	453,042
Inventory, net	173,991	176,341
Assets held for sale	1,936	2,530
Other current assets	150,533	164,257
Total current assets	1,270,836	1,248,666
Property, plant and equipment, net	4,597,308	4,930,549
Goodwill		28,380
Deferred income taxes	280,545	305,844
Other long-term assets	159,859	247,219
Total assets (1)	6,308,548	6,760,658
Current liabilities:
Current portion of debt
Trade accounts payable	297,274	295,159
Accrued liabilities	252,664	333,282
Income taxes payable	23,057	14,628
Current lease liabilities	11,875	13,479
Total current liabilities	584,870	656,548
Long-term debt	3,388,014	3,333,220
Other long-term liabilities	261,942	292,184
Deferred income taxes	2,800	3,149
Total liabilities (1)	4,237,626	4,285,101
Commitments and contingencies (Note 8)
Redeemable noncontrolling interest in subsidiary (Note 3)	429,824	425,392
Shareholders' equity:
Preferred shares, par value $0.001 per share: Series A 6% Cumulative Mandatory Convertible; $50 per share liquidation preference; issued 4,870 and 5,613, respectively	5	6
Common shares, par value $0.05 per share: Authorized common shares 16,000; issued 8,389 and 8,324, respectively	419	416
Capital in excess of par value	3,408,454	3,412,972
Accumulated other comprehensive income (loss)	(29,006)	(11,788)
Retained earnings (accumulated deficit)	(508,200)	(104,775)
Less: treasury shares, at cost, 1,090 and 1,056 common shares, respectively	(1,315,751)	(1,314,020)
Total shareholders' equity	1,555,921	1,982,811
Noncontrolling interest	85,177	67,354
Total equity	1,641,098	2,050,165
Total liabilities and equity	$ 6,308,548	$ 6,760,658