CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 1,476	$ 3,685
Accounts receivable, trade, net of allowance of $3,223 and $2,210, respectively	113,607	144,865
Inventory	65,311	74,467
Tax refund receivable	17,250
Other current assets	14,056	9,186
Total current assets	211,700	232,203
Property, plant and equipment, net	2,434,728	2,559,398
Operating lease ROU assets	20,134	17,901
Goodwill, net		100,598
Intangible assets, net	65,636	77,471
Contract costs, net	32,686	42,927
Deferred tax assets	58,536	36,642
Other assets	30,245	29,934
Noncurrent assets associated with discontinued operations	12,003	12,901
Total assets	2,865,668	3,109,975
Current liabilities:
Accounts payable, trade	29,021	60,215
Accrued liabilities	103,296	67,845
Deferred revenue	4,007	10,683
Total current liabilities	136,324	138,743
Long-term debt	1,731,459	1,842,549
Operating lease liabilities	17,775	16,094
Deferred tax liabilities	681	1,289
Other liabilities	21,215	16,829
Noncurrent liabilities associated with discontinued operations	8,529	8,508
Total liabilities	1,915,983	2,024,012
Commitments and contingencies (Note 20)
Equity:
Preferred stock: $0.01 par value per share, 50,000,000 shares authorized, zero issued
Common stock: $0.01 par value per share, 250,000,000 shares authorized, 159,971,356 and 158,636,918 shares issued, respectively	1,599	1,587
Additional paid-in capital	3,422,324	3,412,509
Accumulated other comprehensive loss	(5,973)	(1,387)
Accumulated deficit	(2,384,602)	(2,244,877)
Treasury stock: 7,002,164 and 6,702,602 common shares, at cost, respectively	(83,663)	(81,869)
Total equity	949,685	1,085,963
Total liabilities and equity	$ 2,865,668	$ 3,109,975