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Fair Value (Reconciliation Of Level 3 Input For Financial Instruments Measured On Recurring Basis) (Details) - Fair Value, Inputs, Level 3 [Member] - Fair Value, Measurements, Recurring [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Other Equity Securities [Member]    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning $ 769 $ 776
Included in earnings - realized 0 0
Included in other comprehensive income 44 (37)
Periodic, sales, issuances and settlements, other 0 0
Periodic settlement of fair value swap 0 0
Balance, ending 813 739
Fair Value Swap [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, Beginning of Period (226) (226)
Included in earnings - unrealized 0 0
Included in other comprehensive income 0 0
Purchases, sales, issuances and settlements, other 0 0
Periodic settlement of fair value swap 0 0
Balance, End of Period $ (226) $ (226)