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NOTES PAYABLE AND CREDIT AGREEMENT - Summary of Aggregate Annual Payments of Principal Required to Revolving Credit Facility (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Long Term Debt By Maturity [Abstract]    
During the twelve months ended September 30, 2016 $ 1,412  
During the twelve months ended September 30, 2017 979  
During the twelve months ended September 30, 2018 700  
During the twelve months ended September 30, 2019 46,000  
Payments/Long term debt, Total $ 49,091 $ 35,617