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Derivatives and Hedging Activities (Textual) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Other Credit Enhancements |  |  |
Derivative |  |  |
Credit risk related contingent features termination value | $ 11,200,000 |  |
Termination |  |  |
Derivative |  |  |
Fair value of credit risk derivatives | 10,400,000 |  |
Net liability position |  |  |
Derivative |  |  |
Credit risk related contingent features termination value | 11,200,000 |  |
Interest Expense |  |  |
Derivative |  |  |
Change in fair value of derivatives, ineffective portion | 100,000 | $ 157,000 | $ (37,000)
Designated as Hedging Instrument | Interest Expense |  |  |
Derivative |  |  |
Change in fair value of interest rate derivatives included in AOCI and expected to be reclassified in the next 12 months | 3,100,000 |  |
Other Assets |  |  |
Derivative |  |  |
Interest Rate Cash Flow Hedge Asset at Fair Value | 6,000 | 72,000 |
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value |  | 6,000 |
Interest Rate Swap |  |  |
Derivative |  |  |
Fair market value of interest rate swaps | 10,358,000 | 13,392,000 |
Parent Company [Member] |  |  |
Derivative |  |  |
Fair market value of interest rate swaps | 10,358,000 | 13,392,000 |
Interest Rate Cash Flow Hedge Asset at Fair Value | $ 6,000 | $ 78,000 |

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