Fair Value Measurements (Fair Value Mortgage Loans Held For Sale, Commitments to Originate And Commitments to Sell Changes in Fair Value Disclosures) (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
Fair Value Disclosures [Abstract]
Mortgage loans held for sale	$ (898)	$ 338	$ (1,959)	$ 106
Commitments to originate	(855)	1,248	(1,773)	1,199
Commitments to sell	1,753	(1,586)	3,724	(1,305)
Total change in fair value	$ 0	$ 0	$ (8)	$ 0