Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 14,326	$ 8,866
Accounts receivable-trade, net	346,548	368,033
Inventories	129,852	85,330
Other	29,045	72,994
Total current assets	519,771	535,223
FIXED ASSETS, at cost	1,552,110	1,327,974
Less: Accumulated depreciation	(227,838)	(199,230)
Net fixed assets	1,324,272	1,128,744
NET INVESTMENT IN DIRECT FINANCING LEASES, net of unearned income	148,854	151,903
EQUITY INVESTEES	620,188	620,247
INTANGIBLE ASSETS, net of amortization	56,993	62,928
GOODWILL	325,046	325,046
OTHER ASSETS, net of amortization	48,005	38,111
TOTAL ASSETS	3,043,129	2,862,202
CURRENT LIABILITIES:
Accounts payable-trade	316,999	316,204
Accrued liabilities	95,281	130,349
Total current liabilities	412,280	446,553
SENIOR SECURED CREDIT FACILITY	492,200	582,800
SENIOR UNSECURED NOTES	1,050,707	700,772
DEFERRED TAX LIABILITIES	16,797	15,944
OTHER LONG-TERM LIABILITIES	18,721	18,396
COMMITMENTS AND CONTINGENCIES (Note 15)
PARTNERS' CAPITAL:
Common unitholders, 88,690,985 units issued and outstanding at June 30, 2014 and December 31, 2013, respectively	1,052,424	1,097,737
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ 3,043,129	$ 2,862,202