The Company and Summary of Significant Accounting Policies Allowance for Doubtful Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Changes in Allowance for Doubtful Accounts [Roll Forward]
Allowance—beginning of period	$ 0	$ 0	$ (10)
Provisions for bad debts	(29)	0	0
Provisions charged to other accounts	0	0	0
Allowance for Loan and Lease Loss, Recovery of Bad Debts	13	0	10
Write-offs and other	10	0	0
Allowance—end of period	$ (6)	$ 0	$ 0