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Restricted Stock - Unearned Compensation (Details) (Restricted Stock [Member])
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12 Months Ended |
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Dec. 31, 2014
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Restricted Stock [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Restricted stock awards, maximum (in shares) | 143,500 |
| Issued shares (in shares) | 53,256 |
| Forfeited shares (in shares) | 17,798 |
| Remaining shares available for issue (in shares) | 108,042 |
| Cost recognition period | 3 years |