CONCENTRATION OF RISK Derivative Counterparties (Details) (USD $)	Dec. 31, 2013
Concentration Risk [Line Items]
Fair Value of Derivative Assets	$ 8,173,000
Number of derivative counterparties	19
Wells Fargo Bank [Member]
Concentration Risk [Line Items]
Fair Value of Derivative Assets	2,496,000	[1]
Bank of Montreal [Member]
Concentration Risk [Line Items]
Fair Value of Derivative Assets	1,102,000	[1]
Canadian Imperial Bank of Commerce [Member]
Concentration Risk [Line Items]
Fair Value of Derivative Assets	1,054,000	[1]
Other Lenders in Our Credit Facility [Member]
Concentration Risk [Line Items]
Fair Value of Derivative Assets	3,380,000
Various [Member]
Concentration Risk [Line Items]
Fair Value of Derivative Assets	$ 141,000	[2]

[1] Major lender in our revolving credit facility. See Note 8, Long-Term Debt.

[2] Represents a total of 19 counterparties.