Segment Information and Revenue - Schedule of Net Sales from Based on Location of the Subsidiary (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 320,946	$ 285,247	$ 899,543	$ 785,774	$ 1,100,000
Property, plant and equipment, net	454,086	446,052	454,086	446,052	459,169
Total assets	1,467,784	1,540,589	1,467,784	1,540,589	$ 1,488,673
Operating Segments
Segment Reporting Information [Line Items]
Net sales	384,484	341,715	1,064,705	988,186
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(63,538)	(56,468)	(165,162)	(202,412)
Asia
Segment Reporting Information [Line Items]
Net sales	242,945	225,613	691,125	620,019
Property, plant and equipment, net	399,632	372,153	399,632	372,153
Total assets	1,075,840	1,017,801	1,075,840	1,017,801
Asia | Operating Segments
Segment Reporting Information [Line Items]
Net sales	283,635	263,088	797,455	731,982
Asia | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(40,690)	(37,475)	(106,330)	(111,963)
North America
Segment Reporting Information [Line Items]
Net sales	42,867	27,259	100,592	77,525
Property, plant and equipment, net	30,133	52,737	30,133	52,737
Total assets	202,024	301,763	202,024	301,763
North America | Operating Segments
Segment Reporting Information [Line Items]
Net sales	51,640	31,320	116,868	122,072
North America | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(8,773)	(4,061)	(16,276)	(44,547)
Europe
Segment Reporting Information [Line Items]
Net sales	35,134	32,375	107,826	88,230
Property, plant and equipment, net	24,321	21,162	24,321	21,162
Total assets	189,920	221,025	189,920	221,025
Europe | Operating Segments
Segment Reporting Information [Line Items]
Net sales	49,209	47,307	150,382	134,132
Europe | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	$ (14,075)	$ (14,932)	$ (42,556)	$ (45,902)