Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
REVENUES	$ 454,718	$ 491,101
EXPENSES:
Operating	332,884	362,315
General and administrative	29,530	31,279
Depreciation and amortization	32,712	37,952
Shareholder litigation expense	51,745
Asset impairments	1,308	536
Costs and Expenses, Total	448,179	432,082
OPERATING INCOME	6,539	59,019
OTHER (INCOME) EXPENSE:
Interest expense, net	18,428	22,538
Other (income) expense	148	(533)
Total non-operating expense (income)	18,576	22,005
INCOME (LOSS) BEFORE INCOME TAXES	(12,037)	37,014
Income tax expense	(113,531)	(3,776)
NET INCOME (LOSS)	(125,568)	33,238
Net income attributable to non-controlling interest		(1,181)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (125,568)	$ 32,057
BASIC EARNINGS (LOSS) PER SHARE	$ (1.05)	$ 0.27
DILUTED EARNINGS (LOSS) PER SHARE	$ (1.05)	$ 0.27