NOTES PAYABLE TO BANKS (Detail Textuals 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Revolving credit facility	Dec. 31, 2013 Revolving credit facility	Sep. 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		$ 152.0	$ 53.3	$ 24.1
Remaining borrowing capacity		$ 173.9