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NOTES PAYABLE TO BANKS (Detail Textuals 2) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Revolving credit facility
Dec. 31, 2013
Revolving credit facility
Jun. 30, 2014
Letter of credit subfacility
Line of Credit Facility [Line Items]        
Threshold limit of ratio of debt to earnings before interest taxes depreciation and amortization no more than 2.5 to 1      
Debt-to-EBITDA ratio (in times) 2.5      
Threshold limit of ratio of earnings before interest taxes depreciation and amortization to interest expenses no less than 2 to 1      
EBITDA to interest expense ratio (in times) 2      
Outstanding borrowings under the facility   $ 131.4 $ 53.3 $ 24.1
Remaining borrowing capacity   $ 194.5