BANK LINE OF CREDIT (Details) (USD $)	Dec. 31, 2013	Jul. 05, 2012 banks
Line of Credit Facility [Line Items]
Number of banks used for Credit Agreement		2
Credit Agreement, maximum borrowing capacity		$ 100,000,000
Line of credit, amount outstanding	0
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Credit Agreement, maximum borrowing capacity		20,000,000
Line of credit, amount outstanding	$ 0