The Company and Summary of Significant Accounting Policies - Rights Plan (Details) (USD $)
0 Months Ended
Jul. 14, 2014
Sep. 30, 2014
Jul. 14, 2014
Dec. 31, 2013
Feb. 15, 2012
Class of Warrant or Right [Line Items]          
Common stock dividend declared, number of preferred share purchase rights for each outstanding share of common stock     1    
Number of shares called by each Right     0.01    
Exercise price (in dollars per share)     10.00    
Preferred stock, shares authorized   10,000,000   10,000,000 10,000,000
Exercisable period after public announcement 10 days        
Beneficial ownership threshold of common stock for rights be become exercisable 10.00%        
Market value of acquiring corporation shares (in dollars per share)     $ 20.00    
Minimum ownership percentage of common stock Board of Directors may no longer exchange common stock 50.00%        
Exchange of common stock for Right, exchange ratio     1    
Series A Junior Participating Preferred Stock [Member]
         
Class of Warrant or Right [Line Items]          
Preferred stock, shares authorized 2,000,000   2,000,000