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INVESTMENT OPERATIONS (Details 5) (Red Mountain, USD $)
3 Months Ended
Mar. 31, 2013
item
Red Mountain
 
Variable Interest Entities  
Number of wholly owned subsidiaries that were determined to be VIEs 1
Ownership through an affiliate (as a percent) 100.00%
Risk of loss related to the VIE limited to the entity's investment $ 10,000