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Equity Transactions - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2013
Director
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Dec. 31, 2012
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Dec. 31, 2011
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| Equity [Abstract] | |||
| Common stock vote per share | Holders of Class A common stock are entitled to one vote per share and holders of Class B common stock are entitled to ten votes per share, except for specified related party transactions. | ||
| Number of independent directors Number?Of?Independent?Directors 2 | 2 | ||
| Stock based compensation expenses | $ 1,849 | $ 1,368 | $ 950 |
| X | ||||||||||
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- Definition
Number Of Independent Directors No definition available.
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- Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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