Condensed Consolidated Statements of Cash Flows ( Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income	$ 72,211	$ 44,581
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,993	13,213
Non-cash lease expense	640	1,409
Amortization of customer contract intangible assets	3,605	3,605
Amortization of deferred revenue	(945)	(803)
Amortization of deferred financing costs and debt discount	1,172	1,480
Accretion of asset retirement obligations	214	198
Income from equity method investments	(12,015)	(6,466)
Dividends from equity method investments	12,500	3,833
Gain on asset disposals	(107)	(25)
Deferred Income Tax Expense (Benefit)	943	(3)
Other non-cash adjustments	168	290
Changes in assets and liabilities:
Accounts receivable	(2,703)	(5,266)
Inventories and other current assets	12,182	1,311
Accounts payable and other current liabilities	(11,890)	(8,928)
Accounts receivable/payable to related parties	(17,653)	1,803
Non-current assets and liabilities, net	(934)	1,591
Net cash provided by operating activities	72,381	51,823
Cash flows from investing activities:
Asset acquisitions net of assumed liabilities	100,527	0
Purchases of property, plant and equipment	(4,997)	(2,437)
Proceeds from sales of property, plant and equipment	107	75
Distributions from equity method investments	1,690	804
Equity method investment contributions	(10,515)	(134,998)
Net cash used in investing activities	(114,242)	(136,556)
Cash flows from financing activities:
Proceeds from issuance of additional units to maintain 2% General Partner interest	10	8
Distributions to general partner	(18,156)	(14,603)
Distributions to common unitholders - public	(15,835)	(14,825)
Distributions to common unitholders - Delek Holdings	(27,549)	(24,929)
Distribution to Delek Holdings for Trucking Assets Acquisition	(47,558)	0
Proceeds from revolving credit facility	413,000	364,300
Payments on revolving credit facility	(251,400)	(224,300)
Net cash provided by financing activities	52,512	85,651
Net increase in cash and cash equivalents	10,651	918
Cash and cash equivalents at the beginning of the period	5,545	4,522
Cash and cash equivalents at the end of the period	16,196	5,440
Cash paid during the period for:
Interest	21,298	21,068
Income taxes	26	141
Non-cash investing activities:
Decrease in accrued capital expenditures	(1,317)	(191)
Equity issuance to Delek Holdings unitholders in connection with Big Spring Gathering Assets Acquisition	109,514
Non-cash financing activities:
Non-cash lease liability arising from recognition of right of use assets upon adoption of ASU 2016-02	$ 0	$ 20,202