CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 167,869	$ 109,493
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Settlement of terminated interest rate swap agreement	(62,009)
Depreciation and amortization	77,043	67,352
Net changes in fair value of derivatives	(12,374)	4,480
Non-cash deferred lease expense	1,884	1,950
Amortization of unfavorable storage contracts	(5,497)	(5,497)
Earnings from equity investments	(3,582)	(3,734)
Distributions from equity investments	125	3,225
Other non-cash items	9,805	10,471
Change in assets and liabilities, net of amounts related to acquisitions:
Trade receivables	48,932	13,978
Construction and pipeline relocation receivables	(1,846)	(2,600)
Inventories	64,287	168,398
Prepaid and other current assets	11,743	11,719
Accounts payable	(19,277)	(7,760)
Accrued and other current liabilities	15,508	(10,656)
Other non-current assets	2,221	(3,842)
Other non-current liabilities	(3,927)	(9,833)
Net cash provided by operating activities	290,905	347,144
Cash flows from investing activities:
Capital expenditures	(147,867)	(148,000)
Contribution to equity investment		(350)
Deposit in anticipation of acquisition		(14,000)
Proceeds from disposal of property, plant and equipment	578	622
Net cash used in investing activities	(147,289)	(161,728)
Cash flows from financing activities:
Net proceeds from issuance of units	372,824	246,648
Net proceeds from exercise of unit options	980	999
Payment of tax withholding on issuance of LTIP awards	(3,728)	(1,576)
Issuance of long-term debt	499,050
Debt issuance costs	(3,250)
Borrowings under BPL Credit Facility	601,000	336,500
Repayments under BPL Credit Facility	(1,266,000)	(450,500)
Net borrowings (repayments) under BES Credit Facility	(130,200)	(138,200)
Acquisition of additional interest in WesPac Memphis	(9,727)
Credits associated with agreement and plan of merger		422
Distributions paid to noncontrolling interests	(5,210)	(6,688)
Distributions paid to unitholders	(201,242)	(185,449)
Net cash used in financing activities	(145,503)	(197,844)
Net decrease in cash and cash equivalents	(1,887)	(12,428)
Cash and cash equivalents - Beginning of period	6,776	12,986
Cash and cash equivalents - End of period	$ 4,889	$ 558