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Summary Revolving Line of Credit And Various Notes Payable Constitute Short-Term and Long-Term Loan Balances Together (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Extinguishment of Debt [Line Items]    
Long Term debt $ 95,073 $ 51,676
Short-term 71 69
Total indebtedness 95,144 51,745
Revolving line of credit
   
Extinguishment of Debt [Line Items]    
Long Term debt 95,000 51,550
Total indebtedness 95,000 51,550
Notes payable
   
Extinguishment of Debt [Line Items]    
Long Term debt 73 126
Short-term 71 69
Total indebtedness $ 144 $ 195