v2.4.0.8
Derivative Financial Instruments (Details) (USD $)
1 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2010
Nov. 30, 2008
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2013
Non-designated hedging instruments
Risk Management
Interest rate cap contracts
Dec. 31, 2012
Non-designated hedging instruments
Risk Management
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, 2012
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, 2012
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
Other Assets
Interest rate cap contracts
Dec. 31, 2012
Non-designated hedging instruments
Risk Management
Other Assets
Interest rate cap contracts
Sep. 30, 2013
Non-designated hedging instruments
Risk Management
Other Liabilities
Interest rate cap contracts
Dec. 31, 2012
Non-designated hedging instruments
Risk Management
Other Liabilities
Interest rate cap contracts
Sep. 30, 2013
Non-designated hedging instruments
Client-Related
Interest rate swap contracts
Dec. 31, 2012
Non-designated hedging instruments
Client-Related
Interest rate swap contracts
Sep. 30, 2013
Non-designated hedging instruments
Client-Related
Interest and fees on loans
Interest rate swap contracts
Sep. 30, 2012
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, 2012
Non-designated hedging instruments
Client-Related
Interest and fees on loans
Interest rate swap contracts
Sep. 30, 2013
Non-designated hedging instruments
Client-Related
Other Assets
Interest rate swap contracts
Dec. 31, 2012
Non-designated hedging instruments
Client-Related
Other Assets
Interest rate swap contracts
Sep. 30, 2013
Non-designated hedging instruments
Client-Related
Other Liabilities
Interest rate swap contracts
Dec. 31, 2012
Non-designated hedging instruments
Client-Related
Other Liabilities
Interest rate swap contracts
Derivative [Line Items]                                                
Unrealized Gain Derivative Instruments     $ 1,100,000 $ 1,700,000                                        
Derivative, Collateral, Right to Reclaim Cash     730,000 3,270,000                                        
Amount Paid to Enter Into a Series of Interest Rate Caps 751,000 2,100,000                                            
Summary of Derivative Instruments [Abstract]                                                
Notional Amount         34,050,000 49,050,000                 139,223,000 126,962,000                
Asset Derivatives, Fair Value                     14,000 13,000                 1,114,000 1,741,000    
Liability Derivatives, Fair Value                         0 0                 1,114,000 1,979,000
Amount of Gain or (Loss) Recognized in Operations on Derivative             $ (9,000) $ (14,000) $ 1,000 $ (79,000)             $ (32,000) $ (103,000) $ (205,000) $ (354,000)