Derivative Financial Instruments (Details) (USD $)	1 Months Ended						3 Months Ended								3 Months Ended
	Feb. 28, 2010	Nov. 30, 2008	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Non-designated hedging instruments Risk Management Interest rate cap contracts	Dec. 31, 2013 Non-designated hedging instruments Risk Management Interest rate cap contracts	Mar. 31, 2014 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Mar. 31, 2013 Non-designated hedging instruments Risk Management Gain on state tax credits, net Interest rate cap contracts	Mar. 31, 2014 Non-designated hedging instruments Risk Management Other Assets Interest rate cap contracts	Dec. 31, 2013 Non-designated hedging instruments Risk Management Other Assets Interest rate cap contracts	Mar. 31, 2014 Non-designated hedging instruments Risk Management Other Liabilities Interest rate cap contracts	Dec. 31, 2013 Non-designated hedging instruments Risk Management Other Liabilities Interest rate cap contracts	Mar. 31, 2014 Non-designated hedging instruments Client-Related Interest rate swap contracts	Dec. 31, 2013 Non-designated hedging instruments Client-Related Interest rate swap contracts	Mar. 31, 2014 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Mar. 31, 2013 Non-designated hedging instruments Client-Related Interest and fees on loans Interest rate swap contracts	Mar. 31, 2014 Non-designated hedging instruments Client-Related Other Assets Interest rate swap contracts	Dec. 31, 2013 Non-designated hedging instruments Client-Related Other Assets Interest rate swap contracts	Mar. 31, 2014 Non-designated hedging instruments Client-Related Other Liabilities Interest rate swap contracts	Dec. 31, 2013 Non-designated hedging instruments Client-Related Other Liabilities Interest rate swap contracts
Derivative [Line Items]
counter party credit risk derivatives			$ 1,000,000
Derivative, Collateral, Right to Reclaim Cash			990,000	1,000,000
Amount Paid to Enter Into a Series of Interest Rate Caps	751,000	2,100,000
Summary of Derivative Instruments [Abstract]
Notional Amount					23,800,000	23,800,000							180,809,000	185,213,000
Asset Derivatives, Fair Value									10,000	10,000							968,000	990,000
Liability Derivatives, Fair Value											0	0							968,000	990,000
Amount of Gain or (Loss) Recognized in Operations on Derivative							$ 0	$ (1,000)							$ 0	$ (105,000)