SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	12 Months Ended
	Dec. 31, 2012 Y	Dec. 31, 2011	Dec. 31, 2010
Amortization Period for Cost Capitalized on Asset Retirement Obligations (in years)	10
Sales Revenue, Goods, Net, Percentage	99.00%	99.00%	99.00%
Sales Revenue, Non Goods, Net, Percentage	1.00%	1.00%	1.00%