ACCRUED AND OTHER CURRENT LIABILITIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
ACCRUED AND OTHER CURRENT LIABILITIES
Taxes- other than income	$ 15,323,000	$ 11,112,000
Accrued employee benefit liabilities	5,069,000	4,609,000
Accrued environmental remediation liabilities	11,555,000	13,446,000
Interest payable	53,428,000	44,137,000
Unearned revenue	18,273,000	12,894,000
Compensation and vacation	25,087,000	20,870,000
Accrued capital expenditures	27,812,000	21,665,000
Unfavorable storage contracts	11,071,000	10,994,000
ARO	8,317,000
Other	51,149,000	52,658,000
Total accrued and other current liabilities	227,084,000	192,385,000
Unfavorable storage contracts
Unfavorable storage contracts revenue recognized	11,000,000	11,000,000
Unfavorable storage contracts revenue expected to be recognized
2014	11,100,000
2015	11,100,000
2016	$ 6,000,000