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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
Jun. 30, 2014
Dec. 31, 2013
Extinguishment of Debt [Line Items]    
Long Term debt $ 86,091 $ 51,676
Short-term 70 69
Total indebtedness 86,161 51,745
Revolving line of credit
    
Extinguishment of Debt [Line Items]    
Long Term debt 86,000 51,550
Total indebtedness 86,000 51,550
Notes payable
    
Extinguishment of Debt [Line Items]    
Long Term debt 91 126
Short-term 70 69
Total indebtedness $ 161 $ 195