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Accumulated Other Comprehensive Income/(Loss) (Reconciliation Of Amounts Contained In Accumulated Other Comprehensive Income) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Accumulated other comprehensive income    
Beginning of period $ 2 $ 175
Other comprehensive gain/(loss) due to change in fair market value of marketable securities during period before reclassifications 268 19
Reclassifications due to realization of gain/loss on sale of marketable securities (54) [1] (192) [1]
Reclassifications due to write-down of marketable securities (275) [2]  
End of period (59) 2
Accumulated other comprehensive income, net of tax    
Beginning of period 2 149
Accumulated other comprehensive income, net of tax 228 16
Accumulated other comprehensive income, net of tax due to realization of a gain (46) [1] (163) [1]
Reclassifications due to write-down of marketable securities, accumulated other comprehensive income, net of tax (234) [2]  
End of period $ (50) $ 2
[1] Reclassified to gain/(loss) on sale of marketable securities on the Consolidated Statement of Income/(Loss) and Comprehensive Income/(Loss).
[2] Reclassified to write-down of marketable securities on the Consolidated Statement of Income/(Loss) and Comprehensive Income/(Loss).