Segment Information and Net Sales (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Schedule of Net Sales from Based on Location of the Subsidiary

The tables below set forth net sales based on the location of the subsidiary producing the net sale.

Three Months Ended September 30, 2019	Asia			North America			Europe			Consolidated
Total sales	$	323,876		$	175,900		$	63,583		$	563,359
Intercompany elimination		(115,879	)		(96,150	)		(27,656	)		(239,685	)
Net sales	$	207,997		$	79,750		$	35,927		$	323,674
Three Months Ended September 30, 2018	Asia			North America			Europe			Consolidated
Total sales	$	283,635		$	51,640		$	49,209		$	384,484
Intercompany elimination		(40,690	)		(8,773	)		(14,075	)		(63,538	)
Net sales	$	242,945		$	42,867		$	35,134		$	320,946
As of and for the
Nine Months Ended September 30, 2019	Asia			North America			Europe			Consolidated
Total sales	$	917,516		$	450,874		$	180,759		$	1,549,149
Intercompany elimination		(305,581	)		(228,344	)		(67,251	)		(601,176	)
Net sales	$	611,935		$	222,530		$	113,508		$	947,973
Property, plant and equipment, net	$	385,862		$	23,186		$	59,074		$	468,122
Total assets		1,173,683			237,467			198,663		$	1,609,813
As of and for the
Nine Months Ended September 30, 2018	Asia			North America			Europe			Consolidated
Total sales	$	797,455		$	116,868		$	150,382		$	1,064,705
Intercompany elimination		(106,330	)		(16,276	)		(42,556	)		(165,162	)
Net sales	$	691,125		$	100,592		$	107,826		$	899,543
Property, plant and equipment, net	$	399,632		$	30,133		$	24,321		$	454,086
Total assets	$	1,075,840		$	202,024		$	189,920		$	1,467,784

Schedule of Net Sales by Direct Sales or Distributor and Location

The tables below set forth the amount of net sales by type (direct sales or Distributor) and the location of the customer based on the location where the products were shipped for the three and nine months ended September 30, 2019 and 2018:

	Net Sales for the Three Months Ended September 30,
	Direct Sales						Distributor
	2019			2018			2019			2018
China	$	57,952		$	60,037		$	105,305		$	113,191
U.S.		2,388			4,409			20,723			30,550
Korea		6,546			4,597			10,594			13,250
Germany		3,079			3,076			16,705			20,912
Singapore		124			637			16,166			16,979
Taiwan		819			621			21,850			17,675
All others (1)		39,405			20,574			22,018			14,438
Total	$	110,313		$	93,951		$	213,361		$	226,995
	Percent of Net Sales by Type for the Three Months Ended September 30,
	Direct Sales						Distributor
	2019			2018			2019			2018
China		53	%		64	%		49	%		50	%
U.S.		2	%		5	%		10	%		13	%
Korea		6	%		5	%		5	%		6	%
Germany		3	%		3	%		8	%		9	%
Singapore		—			1	%		8	%		7	%
Taiwan		1	%		1	%		10	%		8	%
All others (1)		35	%		21	%		10	%		7	%
Total		100	%		100	%		100	%		100	%
	Total Net Sales for the Three Months Ended September 30,
	Dollars						Percent of Net Sales
	2019			2018			2019			2018
China	$	163,257		$	173,228			50	%		54	%
U.S.		23,111			34,959			7	%		11	%
Korea		17,140			17,847			5	%		6	%
Germany		19,784			23,988			6	%		7	%
Singapore		16,290			17,616			5	%		5	%
Taiwan		22,669			18,296			7	%		6	%
All others (1)		61,423			35,012			20	%		11	%
Total	$	323,674		$	320,946			100	%		101	%

	Net Sales for the Nine Months Ended September 30,
	Direct Sales						Distributor
	2019			2018			2019			2018
China	$	169,861		$	164,109		$	305,197		$	323,875
U.S.		8,509			12,866			78,693			78,081
Korea		17,309			12,148			27,588			32,163
Germany		9,536			9,001			53,355			63,343
Singapore		490			1,549			47,022			52,380
Taiwan		1,977			2,399			65,421			52,696
All others (1)		97,920			52,558			65,095			42,375
Total	$	305,602		$	254,630		$	642,371		$	644,913
	Percent of Net Sales by Type for the Nine Months Ended September 30,
	Direct Sales						Distributor
	2019			2018			2019			2018
China		56	%		64	%		48	%		50	%
U.S.		3	%		5	%		12	%		12	%
Korea		6	%		5	%		4	%		5	%
Germany		3	%		4	%		8	%		10	%
Singapore		—			1	%		7	%		8	%
Taiwan		1	%		1	%		10	%		8	%
All others (1)		31	%		20	%		11	%		7	%
Total		100	%		100	%		100	%		100	%
	Total Net Sales for the Nine Months Ended September 30,
	Dollar						Percent of Net Sales
	2019			2018			2019			2018
China	$	475,058		$	487,984			50	%		54	%
U.S.		87,202			90,947			9	%		10	%
Korea		44,897			44,311			5	%		5	%
Germany		62,891			72,344			7	%		8	%
Singapore		47,512			53,929			5	%		6	%
Taiwan		67,398			55,095			7	%		6	%
All others (1)		163,015			94,933			17	%		11	%
Total	$	947,973		$	899,543			100	%		100	%

(1) Represents countries with less than 3% of the total net sales each.