Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES - Narrative (Details)

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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - lawsuit
1 Months Ended 3 Months Ended
Feb. 13, 2015
Mar. 20, 2015
Putative Class Action Lawsuits [Member]    
Loss Contingencies [Line Items]    
Number of claims 3  
Shareholder Derivative Actions [Member]    
Loss Contingencies [Line Items]    
Number of claims   2