Schedule of Financial Information for Operating Segments (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenue from external customers	$ 29,058	$ 20,241	$ 20,651	$ 33,102	$ 56,768	$ 75,807	$ 73,752	$ 73,747	$ 103,051	$ 279,574	$ 648,325
Income (loss) before income taxes									(131,208)	(163,749)	92,871
Total assets	723,457				836,369				723,457	836,369	934,226
Capital expenditures, net									6,848	62,747	161,469
Depreciation and amortization									48,451	54,457	50,860
Operating Segment | Oilfield Technologies and Services
Segment Reporting Information [Line Items]
Revenue from external customers									89,351	257,373	617,233
Income (loss) before income taxes									(128,128)	(151,772)	94,019
Total assets	709,180				817,845				709,180	817,845	899,709
Capital expenditures, net									7,008	62,996	160,820
Depreciation and amortization									46,871	52,451	48,361
Operating Segment | Environmental Products and Services
Segment Reporting Information [Line Items]
Revenue from external customers									13,700	22,201	31,092
Income (loss) before income taxes									(3,080)	(11,977)	(1,148)
Total assets	$ 14,277				$ 18,524				14,277	18,524	34,517
Capital expenditures, net									(160)	(249)	649
Depreciation and amortization									$ 1,580	$ 2,006	$ 2,499