Fair Value Of Financial Instruments (Reconciliation Of Fair Valued Assets Measured On A Recurring Basis) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Collateralized debt obligations [Member]
       
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance January 1, $ 9,954 $ 10,662 $ 9,447 $ 9,838
Included in earnings   0   (19)
Included in other comprehensive income (615) 64 (108) 907
Ending Balance June 30, 9,339 10,726 9,339 10,726
The amount of total gains or losses for the period included in earnings attributable to the change in realized/unrealized gains or losses related to assets still held at the reporting date 0 0 0 (19)
Cash Flow Hedge [Member]
       
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance January 1, (988) (663) (1,034) (832)
Included in earnings   0   0
Included in other comprehensive income 33 (253) 79 (84)
Ending Balance June 30, (955) (916) (955) (916)
The amount of total gains or losses for the period included in earnings attributable to the change in realized/unrealized gains or losses related to assets still held at the reporting date $ 0 $ 0 $ 0 $ 0