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Variable Interest Entities (Schedule Of Variable Interest Entities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Variable Interest Entity [Line Items]    
Other Receivables $ 2,323 $ 2,329
Other Investments, at fair value 35 77
Maximum Exposure to loss in non-consolidated VIEs 2,358 2,406
Managed Variable Interest Entity [Member]
    
Variable Interest Entity [Line Items]    
Other Receivables 2,239 2,224
Maximum Exposure to loss in non-consolidated VIEs 2,239 2,224
Third-Party Managed Variable Interest Entity [Member]
    
Variable Interest Entity [Line Items]    
Other Receivables 84 105
Other Investments, at fair value 35 77
Maximum Exposure to loss in non-consolidated VIEs $ 119 $ 182