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Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 2 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 15, 2014 | May. 12, 2014 | Apr. 30, 2014 | Jul. 15, 2014 | Sep. 30, 2015 | Dec. 31, 2014 | Sep. 30, 2014
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |
Aggregate value |  |  |  |  | $ 5 | $ 5 |
Non-Cumulative Convertible Perpetual Preferred Stock Series B [Member] | Private Placement [Member] |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |
Preferred stock rate |  |  | 6.25% |  |  |  |
Price per share |  |  | $ 25.00 |  |  |  |
Series B Preferred Stock [Member] |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |
Preferred Stock Shares Issued |  |  |  |  | 480,000 | 480,000 | 480,000
Series B Preferred Stock [Member] | Private Placement [Member] |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |
Preferred Stock Shares Issued | 480,000 | 480,000 |  | 480,000 | 480,000 |  |
Aggregate value | $ 12,000 | $ 12,000 |  | $ 12,000 |  |  |
Expenses for issuance of stock | 482 | 482 |  |  |  |  |
Other offering expenses | $ 149 | $ 149 |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  |  | $ 11,369 |  |  |
Minimum [Member] | Series B Preferred Stock [Member] | Private Placement [Member] |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |
Warrant number of common stock shares purchased |  |  |  |  | 3.25 |  |
Warrant, value |  |  |  |  | $ 700 |  |
Warrant, shares |  |  |  |  | 28,000 |  |
Maximum [Member] | Series B Preferred Stock [Member] | Private Placement [Member] |  |  |  |  |  |  |
Schedule of Capitalization, Equity [Line Items] |  |  |  |  |  |  |
Warrant number of common stock shares purchased |  |  |  |  | 2.00 |  |
Warrant, value |  |  |  |  | $ 700 |  |
Warrant, shares |  |  |  |  | 28,000 |  |

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