Summary of Stock Option Activity (Detail) (USD $)
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9 Months Ended |
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Sep. 30, 2013
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Directors Stock Option Plan
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Number of Shares | |
Beginning Balance | 111,000 |
Granted | |
Exercised | (3,000) |
Expired | (4,500) |
Ending Balance | 103,500 |
Weighted Average Exercise Price | |
Beginning Balance | $ 20.97 |
Granted | |
Exercised | $ 16.40 |
Expired | $ 16.40 |
Ending Balance | $ 21.30 |
Employee Stock Option Plan
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Number of Shares | |
Beginning Balance | 108,000 |
Granted | |
Exercised | (7,000) |
Expired | (19,000) |
Ending Balance | 82,000 |
Weighted Average Exercise Price | |
Beginning Balance | $ 20.90 |
Granted | |
Exercised | $ 14.91 |
Expired | $ 18.11 |
Ending Balance | $ 22.06 |
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- Definition
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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