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, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Collateralized debt obligations [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 13,798	$ 9,954	$ 11,442	$ 9,447
Included in other comprehensive income	1,232	(615)	3,588	(108)
Ending Balance	15,030	9,339	15,030	9,339
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
Interest Rate Swap [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	(747)	(988)	(849)	(1,034)
Included in other comprehensive income	128	33	230	79
Ending Balance	(619)	(955)	(619)	(955)
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