CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities
Net income	$ 79,048	$ 21,165
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	50,655	54,310
Amortization of deferred financing fees	2,567	2,554
Amortization of senior notes discount		773
Bad debt expense	360	339
Unit-based compensation expense	587	1,590
Write-off of financing fees	667	188
Net gain on sale and disposition of assets	(68)	(575)
Long-lived asset impairment	1,724
Changes in operating assets and liabilities, excluding net assets acquired:
Accounts receivable	180,003	(39,467)
Accounts receivable - affiliate	327	704
Inventories	106,142	(40,009)
Broker margin deposits	2,170	(5,188)
Prepaid expenses, all other current assets and other assets	(12,546)	7,460
Accounts payable	(210,035)	(25,852)
Trustee taxes payable	807	(2,407)
Change in derivatives	(48,616)	25,408
Accrued expenses, all other current liabilities and other long-term liabilities	8,211	(34,485)
Net cash provided by operating activities	162,003	(33,492)
Cash flows from investing activities
Capital expenditures	(21,746)	(29,974)
Seller note issuances	(1,188)	(640)
Proceeds from sale of property and equipment	6,082	10,053
Net cash used in investing activities	(16,852)	(20,561)
Cash flows from financing activities
Repurchase of common units	(291)
LTIP units withheld for tax obligations	(30)	(32)
Noncontrolling interest capital contribution	400
Distributions to limited partners and general partner	(35,014)	(38,390)
Net cash (used in) provided by financing activities	(146,835)	56,378
Cash and cash equivalents
(Decrease) increase in cash and cash equivalents	(1,684)	2,325
Cash and cash equivalents at beginning of period	12,042	8,121
Cash and cash equivalents at end of period	10,358	10,446
Supplemental information
Cash paid during the period for interest	32,376	34,839
Revolving Credit Facility [Member]
Cash flows from financing activities
Net (payments on) borrowings from credit facility	(4,700)	(8,000)
Working Capital Facility [Member]
Cash flows from financing activities
Net (payments on) borrowings from credit facility	$ (107,200)	$ 102,800