Derivative Financial Instruments (Details) (USD $)					3 Months Ended		9 Months Ended								3 Months Ended		9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Non-designated hedging instruments Risk Management Interest rate cap contracts	Dec. 31, 2013 Non-designated hedging instruments Risk Management Interest rate cap contracts	Sep. 30, 2014 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Sep. 30, 2013 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Sep. 30, 2014 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Sep. 30, 2013 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Sep. 30, 2014 Non-designated hedging instruments Risk Management Asset Derivatives (Other Assets) Interest rate cap contracts	Dec. 31, 2013 Non-designated hedging instruments Risk Management Asset Derivatives (Other Assets) Interest rate cap contracts	Sep. 30, 2014 Non-designated hedging instruments Risk Management Liability Derivatives (Other Liabilities) Interest rate cap contracts	Dec. 31, 2013 Non-designated hedging instruments Risk Management Liability Derivatives (Other Liabilities) Interest rate cap contracts	Sep. 30, 2014 Non-designated hedging instruments Client-Related Interest rate swap contracts	Dec. 31, 2013 Non-designated hedging instruments Client-Related Interest rate swap contracts	Sep. 30, 2014 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Sep. 30, 2013 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Sep. 30, 2014 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Sep. 30, 2013 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Sep. 30, 2014 Non-designated hedging instruments Client-Related Asset Derivatives (Other Assets) Interest rate swap contracts	Dec. 31, 2013 Non-designated hedging instruments Client-Related Asset Derivatives (Other Assets) Interest rate swap contracts	Sep. 30, 2014 Non-designated hedging instruments Client-Related Liability Derivatives (Other Liabilities) Interest rate swap contracts	Dec. 31, 2013 Non-designated hedging instruments Client-Related Liability Derivatives (Other Liabilities) Interest rate swap contracts
Summary of Derivative Instruments [Abstract]
Notional Amount			$ 23,800,000	$ 23,800,000									$ 175,906,000	$ 185,213,000
Asset Derivatives, Fair Value									2,000	10,000									949,000	990,000
Liability Derivatives, Fair Value											0	0									949,000	990,000
Amount of Gain or (Loss) Recognized in Operations on Derivative					0	(9,000)	(8,000)	1,000							0	(32,000)	0	(205,000)
counter party credit risk derivatives	900,000	1,000,000
Derivative, Collateral, Right to Reclaim Cash	$ 1,000,000	$ 1,000,000