CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities
Net (loss) income	$ (16,378)	$ 38,023
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	57,949	55,240
Amortization of deferred financing fees	2,948	2,927
Amortization of leasehold interests	626	172
Amortization of senior notes discount	690	411
Bad debt expense	50	288
Unit-based compensation expense	2,150	2,072
Write-off of financing fees	1,828
Net loss on sale and disposition of assets and impairment charges	8,635	650
Changes in operating assets and liabilities, excluding net assets acquired
Accounts receivable	(46,838)	90,971
Accounts receivable - affiliate	(1,284)	(1,372)
Inventories	(55,042)	(72,788)
Broker margin deposits	(8,036)	(1,792)
Prepaid expenses, all other current assets and other assets	(2,277)	3,749
Accounts payable	(16,974)	(145,863)
Trustee taxes payable	1,100	(17,225)
Change in derivatives	28,686	24,232
Accrued expenses, all other current liabilities and other long-term liabilities	(17,816)	(36,927)
Net cash used in operating activities	(59,983)	(57,232)
Cash flows from investing activities
Acquisitions		(561,757)
Capital expenditures	(38,846)	(33,163)
Proceeds from sale of property and equipment	11,682	1,251
Net cash (used in) investing activities	(27,164)	(593,669)
Cash flows from financing activities
Proceeds from issuance of common units, net		109,305
Net borrowings from working capital revolving credit facility	120,700	168,200
Net (payments on) borrowings from revolving credit facility	(55,600)	134,200
Proceeds from sale-leaseback, net	62,476
Proceeds from senior notes, net of discount		295,125
Payments on line of credit		(700)
Repurchase of common units		(2,442)
Noncontrolling interest capital contribution		1,880
Distribution to noncontrolling interest	(1,798)	(3,600)
Distributions to partners	(31,153)	(45,118)
Net cash provided by financing activities	94,625	656,850
Cash and cash equivalents
Increase in cash and cash equivalents	7,478	5,949
Cash and cash equivalents at beginning of period	1,116	5,238
Cash and cash equivalents at end of period	8,594	11,187
Supplemental information
Cash paid during the period for interest	$ 23,016	$ 25,117