Geographic Areas - Schedule of Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenues	$ 82,997	$ 91,295	$ 245,033	$ 277,739
Depreciation and amortization	7,899	7,908	22,658	24,721
Income (loss) before income taxes	(6,842)	(2,054)	(53,474)	(50,422)
Total long-lived assets	266,466		266,466		$ 287,979
Total assets	1,093,737		1,093,737		1,151,172
Intercompany
Segment Reporting Information [Line Items]
Revenues	5,525	8,395	19,240	20,715
Eliminations
Segment Reporting Information [Line Items]
Revenues	(5,525)	(8,395)	(19,240)	(20,715)
Total long-lived assets	(353,939)		(353,939)		(353,939)
Total assets	(614,965)		(614,965)		(584,432)
Western Hemisphere
Segment Reporting Information [Line Items]
Revenues	61,140	55,513	170,704	171,968
Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	4,736	4,831	13,291	15,254
Income (loss) before income taxes	8,417	3,339	(13,136)	16,516
Total long-lived assets	335,900		335,900		350,577
Total assets	720,191		720,191		769,649
Western Hemisphere | Intercompany
Segment Reporting Information [Line Items]
Revenues	4,029	3,060	8,807	8,691
Eastern Hemisphere
Segment Reporting Information [Line Items]
Revenues	15,159	20,042	39,446	65,962
Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	1,044	882	3,021	2,808
Income (loss) before income taxes	(1,273)	3,255	(583)	(27,415)
Total long-lived assets	222,057		222,057		222,741
Total assets	793,426		793,426		779,147
Eastern Hemisphere | Intercompany
Segment Reporting Information [Line Items]
Revenues	920	1,006	1,558	2,026
Asia Pacific
Segment Reporting Information [Line Items]
Revenues	12,223	24,135	54,123	60,524
Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	1,194	1,265	3,576	3,859
Income (loss) before income taxes	2,002	5,396	17,540	12,580
Total long-lived assets	62,448		62,448		68,600
Total assets	195,085		195,085		$ 186,808
Asia Pacific | Intercompany
Segment Reporting Information [Line Items]
Revenues	576	4,329	8,875	9,998
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Revenues	(5,525)	(8,395)	(19,240)	(20,715)
Depreciation and amortization	925	930	2,770	2,800
Income (loss) before income taxes	(15,988)	(14,044)	(57,295)	(52,103)
Corporate, Non-Segment | Eliminations
Segment Reporting Information [Line Items]
Revenues	(5,525)	(8,395)	(19,240)	(20,715)
Products | Operating Segments
Segment Reporting Information [Line Items]
Revenues	53,622	66,451	165,066	197,142
Products | Operating Segments | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	32,921	32,746	113,433	99,124
Products | Operating Segments | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	20,701	33,705	51,633	98,018
Products | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	37,612	36,095	112,787	114,364
Products | Western Hemisphere | Operating Segments | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	22,692	16,937	76,927	54,774
Products | Western Hemisphere | Operating Segments | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	14,920	19,158	35,860	59,590
Products | Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	10,217	13,377	25,505	45,772
Products | Eastern Hemisphere | Operating Segments | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	6,276	8,033	17,086	23,834
Products | Eastern Hemisphere | Operating Segments | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	3,941	5,344	8,419	21,938
Products | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	5,793	16,979	26,774	37,006
Products | Asia Pacific | Operating Segments | Transferred at Point in Time
Segment Reporting Information [Line Items]
Revenues	3,953	7,776	19,420	20,516
Products | Asia Pacific | Operating Segments | Transferred Over Time
Segment Reporting Information [Line Items]
Revenues	1,840	9,203	7,354	16,490
Technical Advisory | Operating Segments
Segment Reporting Information [Line Items]
Revenues	16,481	13,004	44,577	42,516
Technical Advisory | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	10,814	8,317	26,916	26,169
Technical Advisory | Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,038	2,285	6,058	7,718
Technical Advisory | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	3,629	2,402	11,603	8,629
Reconditioning | Operating Segments
Segment Reporting Information [Line Items]
Revenues	3,079	4,774	10,186	14,826
Reconditioning | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,058	2,657	6,897	8,925
Reconditioning | Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	420	1,404	1,690	3,902
Reconditioning | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	601	713	1,599	1,999
Total Services (excluding rental tools) | Operating Segments
Segment Reporting Information [Line Items]
Revenues	19,560	17,778	54,763	57,342
Total Services (excluding rental tools) | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	12,872	10,974	33,813	35,094
Total Services (excluding rental tools) | Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	2,458	3,689	7,748	11,620
Total Services (excluding rental tools) | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	4,230	3,115	13,202	10,628
Leasing | Operating Segments
Segment Reporting Information [Line Items]
Revenues	9,815	7,066	25,204	23,255
Leasing | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	6,627	5,384	15,297	13,819
Leasing | Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	1,564	1,970	4,635	6,544
Leasing | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	1,624	(288)	5,272	2,892
Total Services (including rental tools) | Operating Segments
Segment Reporting Information [Line Items]
Revenues	29,375	24,844	79,967	80,597
Total Services (including rental tools) | Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	19,499	16,358	49,110	48,913
Total Services (including rental tools) | Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues	4,022	5,659	12,383	18,164
Total Services (including rental tools) | Asia Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 5,854	$ 2,827	$ 18,474	$ 13,520