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           Acquisitions - Summary of Pro Forma Information (Detail) (Ten-Sixty, USD $) 
        In Thousands, unless otherwise specified  | 
        6 Months Ended | 
|---|---|
| 
           Jun. 30, 2014 
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           Ten-Sixty 
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| Business Acquisition [Line Items] | |
| Total Revenue | $ 28,385 | 
| Net Income | $ 10,981 | 
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- Details 
          
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- Definition 
          The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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