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Stockholders' Equity - Additional Information (Detail) (USD $)
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1 Months Ended | 9 Months Ended | |
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May 14, 2012
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Sep. 30, 2013
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Nov. 10, 2006
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| Equity [Abstract] | |||
| Stock authorized to be repurchased under share repurchase program | 1,000,000 | ||
| Repurchase of common stock authorized remaining | 1,225,750 | ||
| Repurchased shares | 2,774,250 | 0 | |
| Aggregate purchase price of repurchased shares | $ 66,637,485 | ||
| Share repurchased per share price | $ 24.02 | ||
| Share repurchased, percentage of outstanding stock | 11.80% |
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- Details
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- Definition
The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition
The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition
Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Share Repurchased Percentage Of Outstanding Stock No definition available.
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