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Stockholders' Equity and Regulatory Requirements (Narrative) (Details) (USD $) | 0 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 12, 2009 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2003 | Sep. 15, 2011
Equity [Line Items] |  |  |  |  |  |
Nonvoting senior preferred stock issued, value | $ 10,000,000 |  |  |  |  | $ 11,250,000
Warrants issued to treasury for purchase of common stock, shares | 173,410 |  |  |  |  |
Exercise price of warrants issued for common stock | $ 8.65 |  |  |  |  |
Date rights offering was complete |  | October 2009 |  |  |  |
Number of shares underlying the warrants held by Treasury | 86,705 |  |  |  |  |
Percentage of original amount of warrants left | 50.00% |  |  |  |  |
Preferred Stock, Liquidation Preference, Value |  | 11,250,000 | 11,250,000 |  |  |
Tier One Leverage Capital |  |  |  |  |  | 1,250,000
Payments for Repurchase of Warrants |  | 0 | 0 | 245,000 |  |
Tier One Leverage Capital Required for Capital Adequacy to Average Assets |  | 4.00% |  |  |  |
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets |  | 6.00% |  |  |  |
Tier One Leverage Capital Required to be Well Capitalized to Average Assets |  | 8.00% |  |  |  |
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets |  | 10.00% |  |  |  |
Proceeds from Issuance of Trust Preferred Securities |  | 5,000,000 | 5,000,000 |  | 5,200,000 |
Tier One Leverage Capital to Average Assets |  | 4.00% |  |  |  |
Tier One Risk Based Capital to Risk Weighted Assets |  | 5.00% |  |  |  |
Series A [Member] |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |
Fixed Rate Cumulative Perpetual Preferred Stock Redemption Shares |  |  |  |  |  | 10,000
Preferred Stock, Redemption Price Per Share |  |  |  |  |  | $ 1,000
Preferred Stock, Redemption Amount |  |  |  |  |  | 10,041,667
Series B [Member] |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |
Convertible Preferred Stock, Shares Issued upon Conversion |  |  |  |  |  | 11,250
Preferred Stock, Liquidation Preference, Value |  |  |  |  |  | $ 1,000

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