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
Revenues:
Total revenues	$ 89,662	$ 189,847	$ 218,160	$ 387,049
Expenses:
Impairments			99,628
Depreciation and amortization			27,619	56,489
(Gain) loss on disposal of assets			2,297	1,797
Other income (expense):
Interest expense	(12,775)	(10,358)	(23,393)	(20,972)
Gain (loss) on derivative			(3,050)	0
Loss from continuing operations before income taxes	(40,033)	(19,343)	(180,253)	(35,981)
Income tax (expense) benefit	308	28	4,099	1,879
Loss from continuing operations	(39,725)	(19,315)	(176,154)	(34,102)
Loss from discontinued operations	(4,873)	(8,462)	(13,325)	(21,151)
Net loss	$ (44,598)	$ (27,777)	$ (189,479)	$ (55,253)
Net loss from continuing operations per share, basic and diluted (in dollars per share)	$ (1.59)	$ (0.71)	$ (7.06)	$ (1.26)
Net loss from discontinued operations per share, basic and diluted (in dollars per share)	(0.20)	(0.31)	(0.53)	(0.78)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (1.79)	$ (1.02)	$ (7.59)	$ (2.04)
Continuing Operations
Revenues:
Total revenues	$ 89,637	$ 147,975	$ 218,040	$ 301,165
Expenses:
Expenses	74,613	109,060	179,731	220,183
General and administrative, including stock-based compensation of $78 and $3,329 in the three months ended June 30, 2020 and 2019, respectively, and $1,414 and $6,604 in the six months ended June 30, 2020 and 2019, respectively	30,445	30,186	65,515	61,941
Impairments	0	0	99,628	0
Depreciation and amortization	12,853	17,296	27,619	33,478
(Gain) loss on disposal of assets	(474)	580	(511)	1,277
Total expenses	117,437	157,122	371,982	316,879
Operating loss	(27,800)	(9,147)	(153,942)	(15,714)
Other income (expense):
Interest expense	(12,775)	(10,358)	(23,393)	(20,972)
Interest income	0	114	62	360
Gain (loss) on derivative	502	0	(3,050)	0
Other income	40	48	70	345
Well Servicing | Continuing Operations
Revenues:
Total revenues	47,318	58,518	105,459	120,502
Expenses:
Expenses	39,385	46,162	90,202	94,970
Water Logistics | Continuing Operations
Revenues:
Total revenues	33,254	51,031	77,635	106,632
Expenses:
Expenses	25,582	35,529	58,701	72,828
Completion & Remedial Services | Continuing Operations
Revenues:
Total revenues	9,065	38,426	34,946	74,031
Expenses:
Expenses	$ 9,646	$ 27,369	$ 30,828	$ 52,385