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Stockholders' Equity and Earnings Per Share - Additional Information (Detail)
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12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Earnings Per Share [Abstract] | |||
| Common stock, shares authorized | 100,000,000us-gaap_CommonStockSharesAuthorized | 100,000,000us-gaap_CommonStockSharesAuthorized | |
| Option to purchase shares, anti-dilutive | 2,329,392us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 3,508,865us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 1,018,900us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount |
| X | ||||||||||
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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