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Stock-Based Compensation - Additional Information (Detail) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Stock options granted, exercisable life | 5 years | |||
| Stock options vesting period | 2 years | |||
| Stock options, authorized | 2,128,046 | 2,128,046 | ||
| Non-cash compensation expense | $ 2,600,000 | $ 2,055,000 | ||
| Tax benefits related to stock based compensation | 0 | |||
| Unrecognized compensation costs | 1,400,000 | 1,400,000 | ||
| Compensation costs expected to be recognized | 1 year 2 months 12 days | |||
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Employee Stock Option
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Non-cash compensation expense | $ 400,000 | $ 400,000 | $ 2,600,000 | $ 2,100,000 |
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- Definition
Share based compensation arrangement by share based payment award options exercisable period. No definition available.
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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