Operating Segments - Schedule of Segment Information (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
		Feb. 05, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Revenues			$ 114,807	$ 130,751	$ 242,661	$ 265,248
Operating Income (Loss)			52,501	63,914	118,694	134,448
Segment operating profit			55,036	65,902	123,931	139,056
Unallocated general and administrative			(2,535)	(1,988)	(5,237)	(4,608)
Interest and financing costs, net			(10,966)	(18,679)	(26,515)	(37,173)
Gain (Loss) on Extinguishment of Debt		$ 25,900	0	0	(25,915)	0
Equity in earnings of unconsolidated affiliates			2,156	1,783	3,870	3,883
Gain on Sales-type Leases			33,834	0	33,834	0
Gain (loss) on sale of assets and other			468	111	974	(199)
Income before income taxes			77,993	47,129	104,942	100,959
Capital Expenditures			11,798	7,034	30,740	17,752
Assets			2,221,783		2,221,783		$ 2,199,232
Goodwill			270,336		270,336		270,336
Pipelines and terminal - affiliate
Segment Reporting Information [Line Items]
Revenues			75,990	82,970
Revenues					157,534	164,510
Pipelines and terminals - third party
Segment Reporting Information [Line Items]
Revenues			19,244	28,382
Revenues					45,670	59,520
Operating Income (Loss)			45,630	57,936	104,533	121,168
Capital Expenditures			11,798	7,034	30,416	17,752
Assets	[1]		1,765,038		1,765,038		1,749,843
Refinery processing units
Segment Reporting Information [Line Items]
Revenues			19,573	19,399	39,457	41,218
Revenues					39,457	41,218
Operating Income (Loss)			9,406	7,966	19,398	17,888
Capital Expenditures			0	$ 0	324	$ 0
Assets			307,900		307,900		305,897
Other
Segment Reporting Information [Line Items]
Assets			$ 148,845		$ 148,845		$ 143,492

[1] Includes goodwill of $270.3 million as of June 30, 2020 and December 31, 2019.