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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
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Sep. 30, 2012
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Dec. 31, 2011
|
|---|---|---|
| Common stock, par value | $ 1 | $ 1 |
| Common stock, shares authorized | 50,000,000 | 50,000,000 |
| Common stock, shares issued | 20,308,827 | 18,082,822 |
| Treasury stock, shares | 222,423 | 233,446 |
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Undesignated Par Value
|
||
| Preferred stock | ||
| Preferred stock, shares authorized | 1,000,000 | 1,000,000 |
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Designated Par Value
|
||
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 25,000 | 25,000 |
| Preferred stock, shares oustanding | 17,921 | 18,921 |