Annual report pursuant to Section 13 and 15(d)

DEBT (Details Narrative)

v3.3.1.900
DEBT (Details Narrative)
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
item
Oct. 31, 2012
USD ($)
Unsecured Line of Credit Facility [Member]    
Short-term Debt [Line Items]    
Line of credit maximum borrowing capacity   $ 175,000
Number of anniversaries for optional annual extensions of the credit agreement | item 3  
Period of extension 1 year  
Number of options available for calculating variable interest rate | item 2  
Line of credit amount outstanding $ 0  
Letter of Credit [Member]    
Short-term Debt [Line Items]    
Line of credit maximum borrowing capacity   75,000
Letter of credit amount maintained 31,400  
Swingline Credit Facility [Member]    
Short-term Debt [Line Items]    
Line of credit maximum borrowing capacity   $ 25,000
Line of credit amount outstanding $ 0