DERIVATIVE INSTRUMENTS (Tables)

6 Months Ended

Jun. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

The fair value of outstanding derivative instruments not designated as hedging instruments on the accompanying Consolidated Balance Sheet was as follows (in thousands):

Derivative Instruments	Balance Sheet Location	June 30, 2014
Contracts to purchase power	Other current liabilities	$	140
Contracts to purchase power	Other liabilities	5,790

The effect of derivative instruments not designated as hedging instruments on the accompanying Consolidated Statements of Operations was as follows (in thousands):

Derivative Instruments	Statement of Operations Location	Three Months Ended June 30, 2014			Six Months Ended June 30, 2014
Canadian dollar foreign exchange forward contracts	Gain (loss) on foreign exchange	$	581		$	(6,209	)
Contracts to purchase power	Derivative loss	(5,930		)	(5,930		)