Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVES - Schedule of additional information about cash flow hedges (Details 2)

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DERIVATIVES - Schedule of additional information about cash flow hedges (Details 2) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Deferred | Designated as hedging instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Expected reclassification of current hedges from AOCI into earnings over the next 12 months $ 0 $ 100,000
Receivables and other assets | Other Contract | Not designated as hedging instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative assets 200,000 100,000
Accounts payable, accrued expenses and other liabilities | Other Contract | Not designated as hedging instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Derivative liabilities $ 1,100,000 $ 700,000