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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Stockholders’ equity: |  |
Preferred stock, par value (in usd per share) | $ 0.01 | $ 0.01
Preferred stock, authorized (in shares) | 60 | 60
Preferred stock, issued (in shares) | 0 | 0
Common stock, par value (in usd per share) | $ 0.01 | $ 0.01
Common stock, authorized (in shares) | 150,000 | 150,000
Common stock, shares issues (in shares) | 0 | 79,815
Treasury stock, shares (in shares) | 0 | 11,034

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