Commitments And Contingencies (Additional Information) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Commercial Loan [Member]
Legal Proceedings [Line Items]
Notional amount of derivative	$ 29,100,000		$ 7,900,000
Derivative, Fair Value, Net	1,100,000		114,000
Interest Rate Swap [Member]
Legal Proceedings [Line Items]
Notional amount of derivative	43,000,000		43,000,000
Cash held as collateral	9,900,000		5,300,000
Increase (decrease) in fair value of swap agreement classified as other liabilities	(3,400,000)		4,700,000		59,000
Net Payment on Derivatives	1,700,000		1,600,000
Derivative, Fair Value, Net	(9,143,000)	[1]	(3,912,000)	[1]
Forward Commitments To Sell Residential Mortgage Loans [Member]
Legal Proceedings [Line Items]
Notional amount of derivative	$ 0		$ 0

[1] Presented within accrued interest and other liabilities on the consolidated statements of condition.