Accounts Receivable, Net and Significant Customers (Significant Customers) (Details 2)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenue, Major Customer [Line Items]
Sales to distributors	73.00%		77.00%		71.00%
Sales To OEMs	27.00%		23.00%		29.00%
Concentration Risk, Percentage	100.00%		100.00%		100.00%
Arrow Electronics, Inc.
Revenue, Major Customer [Line Items]
Sales to distributors	39.00%	[1]	41.00%	[1]	40.00%	[1]
Accounts receivable from distributors as a percentage of total accounts receivable	34.00%		26.00%
Macnica, Inc.
Revenue, Major Customer [Line Items]
Sales to distributors	22.00%	[1]	23.00%	[1]	21.00%	[1]
Accounts receivable from distributors as a percentage of total accounts receivable	47.00%		55.00%
Huawei Technologies Co., Ltd.
Revenue, Major Customer [Line Items]
Sales To OEMs	10.00%		11.00%		16.00%
LM Ericsson Telephone Company
Revenue, Major Customer [Line Items]
Sales To OEMs	10.00%

[1] Except as presented above, no other distributor accounted for greater than 10% of our net sales for 2014, 2013 or 2012.