Segment Information and Revenue - Schedule of Net Sales from Based on Location of the Subsidiary (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 304,085	$ 264,224	$ 578,597	$ 500,527	$ 1,100,000
Property, plant and equipment, net	460,237	427,068	460,237	427,068	459,169
Total assets	1,436,772	1,579,129	1,436,772	1,579,129	$ 1,488,673
Operating Segments
Segment Reporting Information [Line Items]
Net sales	358,857	344,231	680,221	646,471
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(54,772)	(80,007)	(101,624)	(145,944)
Asia
Segment Reporting Information [Line Items]
Net sales	235,477	209,402	448,180	394,406
Property, plant and equipment, net	410,207	350,297	410,207	350,297
Total assets	1,090,931	993,324	1,090,931	993,324
Asia | Operating Segments
Segment Reporting Information [Line Items]
Net sales	269,290	250,551	513,820	468,894
Asia | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(33,813)	(41,149)	(65,640)	(74,488)
North America
Segment Reporting Information [Line Items]
Net sales	32,034	24,927	57,725	50,266
Property, plant and equipment, net	25,540	56,691	25,540	56,691
Total assets	155,395	378,736	155,395	378,736
North America | Operating Segments
Segment Reporting Information [Line Items]
Net sales	38,392	47,873	65,228	90,752
North America | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(6,358)	(22,946)	(7,503)	(40,486)
Europe
Segment Reporting Information [Line Items]
Net sales	36,574	29,895	72,692	55,855
Property, plant and equipment, net	24,490	20,080	24,490	20,080
Total assets	190,446	207,069	190,446	207,069
Europe | Operating Segments
Segment Reporting Information [Line Items]
Net sales	51,175	45,807	101,173	86,825
Europe | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	$ (14,601)	$ (15,912)	$ (28,481)	$ (30,970)