Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 196,630	$ 25,235
Trade accounts receivable	101,292	116,295
Other accounts receivable	12,202	6,462
Inventory	210,235	187,224
Energy commodity derivatives deposits	12,714	14,782
Other current assets	33,969	46,735
Total current assets	567,042	396,733
Property, plant and equipment	5,017,786	4,986,750
Less: Accumulated depreciation	1,104,191	1,070,492
Net property, plant and equipment	3,913,595	3,916,258
Investments in non-controlled entities	487,295	360,852
Long-term receivables	30,365	2,730
Goodwill	53,260	53,260
Other intangibles (less accumulated amortization of $8,809 and $9,489 at December 31, 2013 and March 31, 2014, respectively)	6,610	7,290
Debt placement costs (less accumulated amortization of $9,113 and $9,712 at December 31, 2013 and March 31, 2014, respectively)	19,554	17,505
Tank bottom inventory	62,635	61,915
Other noncurrent assets	3,426	4,269
Total assets	5,143,782	4,820,812
LIABILITIES AND PARTNERS' CAPITAL
Accounts payable	73,417	76,326
Accrued payroll and benefits	27,691	42,243
Accrued interest payable	50,129	44,935
Accrued taxes other than income	31,095	38,574
Environmental liabilities	13,631	12,147
Deferred revenue	64,612	63,164
Accrued product purchases	43,055	63,033
Energy commodity derivatives contracts, net	3,421	6,737
Current portion of long-term debt	249,988	249,971
Other current liabilities	47,111	41,146
Total current liabilities	604,150	638,276
Long-term debt	2,691,288	2,435,316
Long-term pension and benefits	55,736	51,637
Other noncurrent liabilities	19,660	21,802
Environmental liabilities	23,462	26,339
Commitments and contingencies
Partners’ capital:
Limited partner unitholders (226,679 units and 227,068 units outstanding at December 31, 2013 and March 31, 2014, respectively)	1,772,700	1,666,946
Accumulated other comprehensive loss	(23,214)	(19,504)
Total partners’ capital	1,749,486	1,647,442
Total liabilities and partners' capital	$ 5,143,782	$ 4,820,812