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Derivatives and Hedging Activities (Textual) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Derivative [Line Items] |  |  |  |
Total |  | $ 75,000,000 | $ 75,000,000 |
Debt Instrument, Face Amount |  |  | 71,000,000 |
Change in fair value on loans held for sale |  | 87,000 | (22,000) | $ 18,000
Net amortization income |  | 244,000 | 244,000 | 244,000
Exposure to Institutional Counterparties |  | $ 4,700,000 | 2,000 |
Maximum length of time Company is currently hedging its exposure |  | 5 years |  |
Interest expense |  | $ 291,000 |  |
Customer related positions |  | 16,100,000 | 23,200,000 |
Loss on termination of derivatives |  |  |  | 1,100,000
Gain (Loss) on Sales of Loans, Net |  | 6,100,000 | $ 4,700,000 | $ 3,000,000
Notional amount of fair value hedged derivative |  | 0 |  |
Positions Six [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Total | [1] | 25,000,000 |  |
Junior Subordinated Debt [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | 71,000,000 |  |
Junior Subordinated Debt [Member] | Capital Trust V Preferred Securities Due in 2037 [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Debt Instrument, Face Amount |  | $ 50,000,000 |  |
[1] | (1) In April 2016, the Company entered into two forward starting swaps with notional amounts of $25.0 million each, with the intention of hedging $50.0 million of existing junior subordinated debentures, as the current hedges on this borrowing expired in December 2016.

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