Geographic Areas - Schedule of Segment Reporting (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues	$ 95,998	$ 94,317
Depreciation and amortization	8,873	8,356
Income (loss) before income taxes	(41,307)	(3,718)
Total long-lived assets	309,819		$ 326,076
Total assets	1,136,110		1,206,565
Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	37,373	48,325
Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	30,185	17,109
Intercompany
Segment Reporting Information [Line Items]
Revenues	5,901	4,975
Eliminations
Segment Reporting Information [Line Items]
Revenues	(5,901)	(4,975)
Total long-lived assets	(371,937)		(371,938)
Total assets	(607,288)		(526,142)
Western Hemisphere
Segment Reporting Information [Line Items]
Revenues	60,503	56,633
Western Hemisphere | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	22,964	23,767
Western Hemisphere | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	18,508	12,609
Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	5,622	5,419
Income (loss) before income taxes	8,153	1,579
Total long-lived assets	375,729		379,776
Total assets	777,321		732,716
Western Hemisphere | Intercompany
Segment Reporting Information [Line Items]
Revenues	3,314	4,091
Eastern Hemisphere [Member]
Segment Reporting Information [Line Items]
Revenues	25,596	26,414
Eastern Hemisphere [Member] | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	8,962	14,118
Eastern Hemisphere [Member] | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	9,217	4,500
Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	974	1,053
Income (loss) before income taxes	(28,321)	6,581
Total long-lived assets	235,939		246,854
Total assets	786,238		818,803
Eastern Hemisphere [Member] | Intercompany
Segment Reporting Information [Line Items]
Revenues	331	144
Asia Pacific
Segment Reporting Information [Line Items]
Revenues	15,800	16,245
Asia Pacific | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	5,447	10,440
Asia Pacific | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	2,460
Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	1,340	1,198
Income (loss) before income taxes	1,569	5,196
Total long-lived assets	70,088		71,384
Total assets	179,839		$ 181,188
Asia Pacific | Intercompany
Segment Reporting Information [Line Items]
Revenues	2,256	740
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Revenues	(5,901)	(4,975)
Depreciation and amortization	937	686
Income (loss) before income taxes	(22,708)	(17,074)
Corporate, Non-Segment | Eliminations
Segment Reporting Information [Line Items]
Revenues	(5,901)	(4,975)
Products | Operating Segments
Segment Reporting Information [Line Items]
Revenues	67,558	65,434
Products | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	41,472	36,376
Products | Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	18,179	18,618
Products | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	7,907	10,440
Technical Advisory | Operating Segments
Segment Reporting Information [Line Items]
Revenues	14,181	14,299
Technical Advisory | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	7,396	7,022
Technical Advisory | Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	3,496	4,082
Technical Advisory | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	3,289	3,195
Reconditioning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	4,633	4,177
Reconditioning | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	3,560	2,823
Reconditioning | Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	842	923
Reconditioning | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	231	431
Total Services (excluding rental tools) | Operating Segments
Segment Reporting Information [Line Items]
Revenues	18,814	18,476
Total Services (excluding rental tools) | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	10,956	9,845
Total Services (excluding rental tools) | Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	4,338	5,005
Total Services (excluding rental tools) | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	3,520	3,626
Leasing | Operating Segments
Segment Reporting Information [Line Items]
Revenues	9,626	10,407
Leasing | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	4,761	6,321
Leasing | Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,748	2,647
Leasing | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,117	1,439
Total Services (including rental tools) | Operating Segments
Segment Reporting Information [Line Items]
Revenues	28,440	28,883
Total Services (including rental tools) | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	15,717	16,166
Total Services (including rental tools) | Eastern Hemisphere [Member] | Operating Segments
Segment Reporting Information [Line Items]
Revenues	7,086	7,652
Total Services (including rental tools) | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 5,637	$ 5,065