CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenues	$ 89,300	$ 358,516	$ 333,077	$ 693,172
Cost of revenues (exclusive of items shown below)	80,037	265,088	261,981	517,483
Selling, general and administrative expenses	28,775	43,293	65,305	88,714
Impairment and other charges	1,639	0	207,175	0
Depreciation and amortization	19,573	42,881	58,866	85,386
Gain on disposition of assets, net	(3,194)	(1,133)	(4,013)	(4,637)
Operating (loss) income	(37,530)	8,387	(256,237)	6,226
Interest expense	(71)	(164)	(184)	(253)
Interest income	68	594	402	1,394
Other (expense) income, net	(1,481)	(53)	(1,789)	392
(Loss) income before income taxes	(39,014)	8,764	(257,808)	7,759
Income tax (benefit) provision	(13,921)	2,593	(72,292)	2,327
Net (loss) income	$ (25,093)	$ 6,171	$ (185,516)	$ 5,432
(loss) Earnings per share
Basic (in dollars per share)	$ (0.12)	$ 0.03	$ (0.87)	$ 0.02
Diluted (in dollars per share)	$ (0.12)	0.03	$ (0.87)	0.02
Dividend per share (in dollars per share)		$ 0.05		$ 0.15