Quarterly report pursuant to Section 13 or 15(d)

CERTAIN RELATIONSHIPS AND RELATED-PARTY TRANSACTIONS (Details)

v2.4.0.8
CERTAIN RELATIONSHIPS AND RELATED-PARTY TRANSACTIONS (Details) (Other related-parties [Member], USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Other related-parties [Member]
     
Related Party Transaction [Line Items]      
Receivable balance $ 8,500,000   $ 13,500,000
Revenue from transactions with related parties 1,247,000 1,327,000  
Expenses from transactions with related party $ 4,509,000 $ 5,150,000