Quarterly report pursuant to sections 13 or 15(d)

Acquisitions - Summary of Pro Forma Information (Detail)

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Acquisitions - Summary of Pro Forma Information (Detail) (Ten-Sixty, USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Ten-Sixty
   
Business Acquisition [Line Items]    
Total Revenue $ 43,122 $ 38,085
Net Income $ 13,231 $ 14,234