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Derivative Financial Instruments (Details) (USD $)
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3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
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Dec. 31, 2013
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Jun. 30, 2014
Non-designated hedging instruments
Risk Management
Interest rate cap contracts
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Dec. 31, 2013
Non-designated hedging instruments
Risk Management
Interest rate cap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Risk Management
Gain on state tax credits, net
Interest rate cap contracts
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Jun. 30, 2013
Non-designated hedging instruments
Risk Management
Gain on state tax credits, net
Interest rate cap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Risk Management
Gain on state tax credits, net
Interest rate cap contracts
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Jun. 30, 2013
Non-designated hedging instruments
Risk Management
Gain on state tax credits, net
Interest rate cap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Risk Management
Other Assets
Interest rate cap contracts
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Dec. 31, 2013
Non-designated hedging instruments
Risk Management
Other Assets
Interest rate cap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Risk Management
Other Liabilities
Interest rate cap contracts
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Dec. 31, 2013
Non-designated hedging instruments
Risk Management
Other Liabilities
Interest rate cap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Client-Related
Interest rate swap contracts
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Dec. 31, 2013
Non-designated hedging instruments
Client-Related
Interest rate swap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Client-Related
Interest and fees on loans
Interest rate swap contracts
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Jun. 30, 2013
Non-designated hedging instruments
Client-Related
Interest and fees on loans
Interest rate swap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Client-Related
Interest and fees on loans
Interest rate swap contracts
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Jun. 30, 2013
Non-designated hedging instruments
Client-Related
Interest and fees on loans
Interest rate swap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Client-Related
Other Assets
Interest rate swap contracts
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Dec. 31, 2013
Non-designated hedging instruments
Client-Related
Other Assets
Interest rate swap contracts
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Jun. 30, 2014
Non-designated hedging instruments
Client-Related
Other Liabilities
Interest rate swap contracts
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Dec. 31, 2013
Non-designated hedging instruments
Client-Related
Other Liabilities
Interest rate swap contracts
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| Derivative [Line Items] | ||||||||||||||||||||||
| counter party credit risk derivatives | $ 1,200,000 | $ 1,000,000 | ||||||||||||||||||||
| Derivative, Collateral, Right to Reclaim Cash | 1,250,000 | 990,000 | ||||||||||||||||||||
| Summary of Derivative Instruments [Abstract] | ||||||||||||||||||||||
| Notional Amount | 23,800,000 | 23,800,000 | 178,359,000 | 185,213,000 | ||||||||||||||||||
| Asset Derivatives, Fair Value | 2,000 | 10,000 | 1,184,000 | 990,000 | ||||||||||||||||||
| Liability Derivatives, Fair Value | 0 | 0 | 1,184,000 | 990,000 | ||||||||||||||||||
| Amount of Gain or (Loss) Recognized in Operations on Derivative | $ (8,000) | $ 11,000 | $ (8,000) | $ 10,000 | $ 0 | $ (68,000) | $ 0 | $ (173,000) | ||||||||||||||