CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities
Net income (loss)	$ 102,403	$ 57,117	$ (238,623)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	106,838	105,652	111,942
Amortization of deferred financing fees	5,372	5,644	6,019
Amortization of leasehold interests	327	631	1,252
Amortization of senior notes discount	1,501	1,445	1,393
Bad debt expense	588	211	231
Unit-based compensation expense	2,738	2,755	4,145
Write-off of financing fees		573	1,828
Loss on trustee taxes	(52,627)	16,194
Net loss (gain) on sale and disposition of assets	5,880	(1,624)	20,495
Goodwill and long-lived asset impairment	414	809	149,972
Deferred income taxes	2,751	(25,949)	(18,782)
Changes in operating assets and liabilities, excluding net assets acquired:
Accounts receivable	81,898	3,886	(110,237)
Accounts receivable - affiliate	(1,662)	(630)	(565)
Inventories	(29,778)	173,167	(135,888)
Broker margin deposits	(5,085)	17,972	3,674
Prepaid expenses, all other current assets and other assets	(15,912)	(13,674)	2,987
Accounts payable	(4,433)	(6,850)	17,410
Trustee taxes payable	(15,081)	9,155	5,902
Change in derivatives	(31,764)	2,346	40,218
Accrued expenses, all other current liabilities and other long-term liabilities	14,488	15,806	16,741
Net cash provided by (used in) operating activities	168,856	348,442	(119,886)
Cash flows from investing activities
Acquisitions	(171,620)	(38,479)
Capital expenditures	(69,174)	(49,866)	(71,279)
Seller note issuances	(3,337)	(6,086)
Proceeds from sale of property and equipment	18,411	32,787	77,726
Net cash (used in) provided by investing activities	(225,720)	(61,644)	6,447
Cash flows from financing activities
Net proceeds from issuance of Series A preferred units	66,366
Proceeds from sale-leaseback, net			62,469
LTIP units withheld for tax obligations	(835)	(522)
Noncontrolling interest capital contribution		279
Distribution to noncontrolling interest		(465)	(1,798)
Distributions to partners	(66,004)	(62,660)	(62,520)
Net cash provided by (used in) financing activities	50,127	(281,968)	122,351
Cash and cash equivalents
Decrease (increase) in cash and cash equivalents	(6,737)	4,830	8,912
Cash and cash equivalents at beginning of period	14,858	10,028	1,116
Cash and cash equivalents at end of period	8,121	14,858	10,028
Supplemental information
Cash paid during the period for interest	55,444	62,512	64,112
Cash paid during the period for income taxes	653	7,356	16,990
Revolving Credit Facility [Member]
Cash flows from financing activities
Net borrowings from (payments on) credit facility	24,000	(20,700)	(52,300)
Working Capital Facility [Member]
Cash flows from financing activities
Net borrowings from (payments on) credit facility	$ 26,600	$ (197,900)	$ 176,500