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Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Equity, Class of Treasury Stock [Line Items] |  |  |
Maximum number of common shares authorized to be repurchased (in shares) |  |  | 100,000
Total number of shares authorized and available for repurchase (in shares) |  | 540,000 |
Number of shares repurchased (in shares) | 79,664 |  |
Repurchased common stock, value | $ 572 | $ 405 |
Dividend Warrants Received Per Share Of Common Stock | 5 |  |
Number Of Warrants To Purchase One Share Common Stock | 25 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 7.50 |  |
Minimum Volume Weighted Average Exercise Price To Exercise Warrants | $ 15.00 |  |
Additional shares sold through exercise by underwriter of over-allotment option (in shares) | 0 |  |

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