Segment Information, External Customers and Long Lived Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 1,055,800	$ 908,300	$ 671,300	$ 541,300	$ 579,200	$ 519,700	$ 577,200	$ 456,200	$ 3,176,718	$ 2,132,257	$ 1,719,588
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									402,580	489,302	464,934
Long-lived assets	9,970				8,441				9,970	8,441
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									466,820	296,000	276,923
Long-lived assets	14,345				14,030				14,345	14,030
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									268,232	227,872	208,246
Long-lived assets	273,388				163,137				273,388	163,137
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									158,626	159,265	77,465
Long-lived assets	2,497				559				2,497	559
Malaysia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									128,656	65,998	65,411
Long-lived assets	1,463				0				1,463	0
Mainland China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									1,005,395	256,833	148,388
Long-lived assets	82,726				30,199				82,726	30,199
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue									199,161	134,592	107,716
Long-lived assets	$ 1,928				$ 1,945				$ 1,928	$ 1,945