Geographic Segments - Schedule of Segment Reporting (Detail) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Products									$ 351,132,000	$ 433,012,000	$ 685,364,000
Services									104,337,000	105,719,000	158,946,000
Revenues	$ 107,971,000	$ 100,346,000	$ 127,922,000	$ 119,228,000	$ 106,091,000	$ 123,640,000	$ 142,439,000	$ 166,561,000	455,469,000	538,731,000	844,310,000
Depreciation and amortization									40,974,000	31,857,000	30,477,000
Income before income taxes									(65,644,000)	115,868,000	249,771,000
Total long-lived assets	391,256,000				404,693,000				391,256,000	404,693,000
Total assets	1,399,805,000				1,461,404,000				1,399,805,000	1,461,404,000
Intercompany
Segment Reporting Information [Line Items]
Revenues									29,107,000	46,075,000	64,352,000
Eliminations
Segment Reporting Information [Line Items]
Revenues									(29,107,000)	(46,075,000)	(64,352,000)
Income before income taxes									(146,000)	1,974,000	9,768,000
Total long-lived assets	(414,814,000)				(480,000)				(414,814,000)	(480,000)
Total assets	(416,170,000)				(2,526,000)				(416,170,000)	(2,526,000)
Western Hemisphere
Segment Reporting Information [Line Items]
Products									217,084,000	254,359,000	332,452,000
Services									65,050,000	63,350,000	88,376,000
Western Hemisphere | Intercompany
Segment Reporting Information [Line Items]
Revenues									27,554,000	43,856,000	53,429,000
Western Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues									309,688,000	361,565,000	474,257,000
Depreciation and amortization									30,441,000	21,395,000	20,093,000
Income before income taxes									(18,099,000)	91,221,000	155,763,000
Total long-lived assets	482,636,000				317,875,000				482,636,000	317,875,000
Total assets	877,779,000				775,358,000				877,779,000	775,358,000
Eastern Hemisphere
Segment Reporting Information [Line Items]
Products									69,664,000	106,862,000	234,853,000
Services									28,048,000	34,818,000	52,963,000
Eastern Hemisphere | Intercompany
Segment Reporting Information [Line Items]
Revenues									772,000	337,000	5,799,000
Eastern Hemisphere | Operating Segments
Segment Reporting Information [Line Items]
Revenues									98,484,000	142,017,000	293,615,000
Depreciation and amortization									4,096,000	4,965,000	5,685,000
Income before income taxes									1,379,000	60,835,000	89,349,000
Total long-lived assets	264,828,000				33,338,000				264,828,000	33,338,000
Total assets	752,967,000				318,529,000				752,967,000	318,529,000
Asia-Pacific
Segment Reporting Information [Line Items]
Products									64,383,000	71,791,000	118,059,000
Services									11,239,000	7,551,000	17,607,000
Asia-Pacific | Intercompany
Segment Reporting Information [Line Items]
Revenues									781,000	1,882,000	5,124,000
Asia-Pacific | Operating Segments
Segment Reporting Information [Line Items]
Revenues									76,404,000	81,224,000	140,790,000
Depreciation and amortization									4,064,000	4,437,000	4,491,000
Income before income taxes									4,927,000	12,779,000	38,155,000
Total long-lived assets	58,606,000				53,960,000				58,606,000	53,960,000
Total assets	$ 185,229,000				$ 370,043,000				185,229,000	370,043,000
Corporate | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization									2,374,000	1,060,000	208,000
Income before income taxes									$ (53,706,000)	$ (50,941,000)	$ (43,264,000)