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Long Term Subordinated Notes (Schedule Of Interest Expense Incurred In Connection With Long Term Subordinated Notes) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Debt Instrument [Line Items]        
Interest expense incurred $ 1,460,000 $ 2,000,000 $ 2,922,000 $ 4,539,000
Subordinated Debt [Member] | Debt Instrument Two [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Interest Rate, Stated Percentage 6.60%   6.60%