Fair Value Measurements (Fair Value Mortgage Loans Held For Sale, Interest Rate Lock Commitments And Commitments to Sell Changes in Fair Value Disclosures) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on mortgage loans held for sale	$ 598	$ (1,505)	$ 970
Gain (Loss) Recognized in Income (Ineffective Portion)	0	0	0
Total change in fair value	(44)	(8)	8
Interest Rate Lock Commitments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income (Ineffective Portion)	800	(2,121)	649
Commitments to sell mortgage loans [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in Income (Ineffective Portion)	$ (1,442)	$ 3,618	$ (1,611)