Commitments and Contingencies Commitments and Contingencies (Schedule for Unfunded Commitments) (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
Reserve For Unfunded Credit Commitments [Roll Forward]
Beginning balance	$ 5,137	$ 5,204	$ 5,662	$ 5,449
Provision	0	259	0	259
Reserve release	(544)	0	(1,069)	(245)
Ending balance	$ 4,593	$ 5,463	$ 4,593	$ 5,463