The Company and Its Significant Accounting Policies (Income Taxes) (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Accounting Policies [Abstract]      
Gain on sale of discontinued operations $ 24,291,000 $ 0 $ 0
Tax effect from sale of discontinued operation $ (8,300,000)