Segment Information (Detail) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended								11 Months Ended	12 Months Ended
		Dec. 31, 2016		Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 15, 2016	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Revenues		$ 17,830		$ 117,253	$ 134,721	$ 144,405	$ 125,316	$ 116,280	$ 110,653	$ 107,780	$ 101,452		$ 521,695	$ 436,165
Intersegment revenues													0	0
Depreciation and amortization		3,574											82,639	84,542
Impairment expense		0											0	187
Other operating expenses		23,104											498,022	447,616
Operating income (loss)		(8,848)											(58,966)	(96,180)
Reorganization Items		0											0	1,501
Interest expense, net of amounts capitalized		1,364											34,163	31,797
Income (loss) before tax		(10,244)											(90,775)	(122,291)
Long-lived assets		423,411	[1]	284,676				342,318					284,676	342,318
Total assets		657,981		443,174				529,121					443,174	529,121
Capital expenditures		(375)											(37,535)	(16,079)
Rig Services
Segment Reporting Information [Line Items]
Revenues		8,549											296,969	248,830
Intersegment revenues													710	325
Depreciation and amortization		1,129											31,519	31,493
Impairment expense		0											0	0
Other operating expenses		9,352											245,898	220,957
Operating income (loss)		(1,932)											19,552	(3,620)
Reorganization Items														0
Interest expense, net of amounts capitalized		0											0	0
Income (loss) before tax		(1,932)											19,689	(3,449)
Long-lived assets		172,871	[1]	141,469				160,170					141,469	160,170
Total assets		1,348,587		192,376				287,856					192,376	287,856
Capital expenditures		(331)											(18,126)	(8,375)
Fishing And Rental Services
Segment Reporting Information [Line Items]
Revenues		3,389											64,691	59,172
Intersegment revenues													2,465	3,181
Depreciation and amortization		1,158											23,361	23,454
Impairment expense		0											0	0
Other operating expenses		2,496											49,983	28,212
Operating income (loss)		(265)											(8,653)	7,506
Reorganization Items														0
Interest expense, net of amounts capitalized		0											0	0
Income (loss) before tax		(265)											(8,622)	7,748
Long-lived assets		95,544	[1]	50,629				63,340					50,629	63,340
Total assets		462,163		65,711				360,581					65,711	360,581
Capital expenditures		(10)											(3,671)	(741)
Coiled Tubing Services
Segment Reporting Information [Line Items]
Revenues		1,392											71,013	41,866
Intersegment revenues													48	60
Depreciation and amortization		202											5,223	5,187
Impairment expense		0											0	0
Other operating expenses		1,446											60,594	35,048
Operating income (loss)		(256)											5,196	1,631
Reorganization Items														0
Interest expense, net of amounts capitalized		0											0	0
Income (loss) before tax		(256)											5,201	1,643
Long-lived assets		24,741	[1]	17,274				19,064					17,274	19,064
Total assets		106,609		27,283				41,523					27,283	41,523
Capital expenditures		0											(4,872)	(886)
Fluid Management Services
Segment Reporting Information [Line Items]
Revenues		3,208											89,022	80,726
Intersegment revenues													1,101	1,218
Depreciation and amortization		987											20,091	21,917
Impairment expense		0											0	0
Other operating expenses		3,359											77,781	78,341
Operating income (loss)		(1,138)											(8,850)	(19,532)
Reorganization Items														0
Interest expense, net of amounts capitalized		0											0	0
Income (loss) before tax		(1,138)											(8,773)	(19,537)
Long-lived assets		94,887	[1]	55,263				74,591					55,263	74,591
Total assets		226,503		70,003				(985)					70,003	(985)
Capital expenditures		(29)											(2,907)	(3,288)
International
Segment Reporting Information [Line Items]
Revenues		1,292											0	5,571
Intersegment revenues														0
Depreciation and amortization		16												791
Impairment expense		0												187
Other operating expenses		1,209												9,586
Operating income (loss)		67												(4,993)
Reorganization Items														0
Interest expense, net of amounts capitalized		0												0
Income (loss) before tax		49												(298)
Long-lived assets		1,236	[1]					7						7
Total assets		62,971						9,473						9,473
Capital expenditures		0												(475)
Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	[2]	0											0	0
Intersegment revenues	[2]												0	0
Depreciation and amortization	[2]	82											2,445	1,700
Impairment expense		0	[2]										0	0
Other operating expenses	[2]	5,242											63,766	75,472
Operating income (loss)	[2]	(5,324)											(66,211)	(77,172)
Reorganization Items	[2]													1,501
Interest expense, net of amounts capitalized	[2]	1,364											34,163	31,797
Income (loss) before tax	[2]	(6,702)											(98,270)	(108,398)
Long-lived assets	[2]	142,580	[1]	19,637				122,965					19,637	122,965
Total assets	[2]	(1,276,652)		80,507				513,393					80,507	513,393
Capital expenditures	[2]	(5)											(7,959)	(2,314)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues		0											0	0
Intersegment revenues													(4,324)	(4,784)
Depreciation and amortization		0											0	0
Impairment expense		0											0	0
Other operating expenses		0											0	0
Operating income (loss)		0											0	0
Reorganization Items														0
Interest expense, net of amounts capitalized		0											0	0
Income (loss) before tax		0											0	0
Long-lived assets		(108,448)	[1]	404				(97,819)					404	(97,819)
Total assets		(272,200)		$ 7,294				$ (682,720)					7,294	(682,720)
Capital expenditures		$ 0											$ 0	$ 0
Predecessor [Member]
Segment Reporting Information [Line Items]
Revenues												$ 399,423
Intersegment revenues												0
Depreciation and amortization												131,296
Impairment expense												44,646
Other operating expenses												526,082
Goodwill and Intangible Asset Impairment												44,646
Operating income (loss)												(302,601)
Reorganization Items												(245,571)
Interest expense, net of amounts capitalized												74,320
Income (loss) before tax												(128,907)
Long-lived assets												426,753
Total assets												663,622
Capital expenditures												(8,481)
Predecessor [Member] | Rig Services
Segment Reporting Information [Line Items]
Revenues												222,877
Intersegment revenues												922
Depreciation and amortization												56,241
Other operating expenses												206,094
Goodwill and Intangible Asset Impairment												0
Operating income (loss)												(39,458)
Reorganization Items												262,455
Interest expense, net of amounts capitalized												0
Income (loss) before tax												(301,647)
Long-lived assets	[1]											173,762
Total assets												1,350,566
Capital expenditures												(1,477)
Predecessor [Member] | Fishing And Rental Services
Segment Reporting Information [Line Items]
Revenues												55,790
Intersegment revenues												4,958
Depreciation and amortization												26,547
Other operating expenses												55,651
Goodwill and Intangible Asset Impairment												0
Operating income (loss)												(26,408)
Reorganization Items												76,918
Interest expense, net of amounts capitalized												0
Income (loss) before tax												(103,474)
Long-lived assets	[1]											96,692
Total assets												462,759
Capital expenditures												(3,005)
Predecessor [Member] | Coiled Tubing Services
Segment Reporting Information [Line Items]
Revenues												30,569
Intersegment revenues												73
Depreciation and amortization												10,730
Other operating expenses												39,161
Goodwill and Intangible Asset Impairment												0
Operating income (loss)												(19,322)
Reorganization Items												(52,094)
Interest expense, net of amounts capitalized												0
Income (loss) before tax												32,891
Long-lived assets	[1]											24,944
Total assets												106,760
Capital expenditures												(110)
Predecessor [Member] | Fluid Management Services
Segment Reporting Information [Line Items]
Revenues												76,008
Intersegment revenues												934
Depreciation and amortization												22,583
Other operating expenses												91,361
Goodwill and Intangible Asset Impairment												0
Operating income (loss)												(37,936)
Reorganization Items												9,374
Interest expense, net of amounts capitalized												0
Income (loss) before tax												(48,014)
Long-lived assets	[1]											95,848
Total assets												227,749
Capital expenditures												(2,950)
Predecessor [Member] | International
Segment Reporting Information [Line Items]
Revenues												14,179
Intersegment revenues												284
Depreciation and amortization												6,497
Other operating expenses												22,262
Goodwill and Intangible Asset Impairment												44,646
Operating income (loss)												(59,226)
Reorganization Items												377
Interest expense, net of amounts capitalized												0
Income (loss) before tax												(59,773)
Long-lived assets	[1]											1,252
Total assets												62,520
Capital expenditures												(711)
Predecessor [Member] | Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	[2]											0
Intersegment revenues	[2]											0
Depreciation and amortization	[2]											8,698
Other operating expenses	[2]											111,553
Goodwill and Intangible Asset Impairment												0
Operating income (loss)	[2]											(120,251)
Reorganization Items	[2]											(542,601)
Interest expense, net of amounts capitalized	[2]											74,320
Income (loss) before tax	[2]											351,110
Long-lived assets	[1],[2]											142,704
Total assets	[2]											(1,274,533)
Capital expenditures	[2]											(228)
Predecessor [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues												0
Intersegment revenues												(7,171)
Depreciation and amortization												0
Other operating expenses												0
Goodwill and Intangible Asset Impairment												0
Operating income (loss)												0
Reorganization Items												0
Interest expense, net of amounts capitalized												0
Income (loss) before tax												0
Long-lived assets	[1]											(108,449)
Total assets												(272,199)
Capital expenditures												$ 0

[1] Long-lived assets include: fixed assets, goodwill, intangibles and other assets.

[2] Functional Support is geographically located in the United States.