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Organization And Summary Of Significant Accounting Policies (Summary of Potential Common Shares Excluded From Diluted Calculation) (Details) (Equity Option [Member])
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Equity Option [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Employee stock options 131us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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198us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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= us-gaap_StockOptionMember
1,207us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
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= us-gaap_StockOptionMember