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Salary Deferral Plan - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Compensation And Retirement Disclosure [Abstract] |  |
Salary deferral plan, discretionary and matching contribution | $ 525,000 | $ 463,000

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- Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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