Commitments and Contingencies Commitments and Contingencies (Schedule for Unfunded Commitments) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reserve For Unfunded Credit Commitments [Roll Forward]
Beginning balance	$ 4,593	$ 5,463	$ 5,662	$ 5,449
Provision	64	0	64	259
Reserve release	0	(267)	(1,069)	(512)
Ending balance	$ 4,657	$ 5,196	$ 4,657	$ 5,196