Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues
Retail motor fuel	$ 1,401,830	$ 1,580,815	$ 3,876,542	$ 4,597,670
Wholesale motor fuel sales to third parties	2,026,454	2,664,186	5,544,905	7,946,323
Wholesale motor fuel sales to affiliates	28,226	3,779	45,065	8,718
Merchandise	605,275	589,299	1,705,963	1,633,102
Rental income	22,883	20,949	67,582	61,265
Other	52,649	47,744	151,740	136,630
Total revenues	4,137,317	4,906,772	11,391,797	14,383,708
Cost of sales
Retail motor fuel	1,222,827	1,384,813	3,428,659	4,114,463
Wholesale motor fuel	1,916,511	2,591,791	5,136,083	7,623,330
Merchandise	412,983	404,179	1,160,001	1,122,970
Other	7,609	1,231	10,357	3,744
Total cost of sales	3,559,930	4,382,014	9,735,100	12,864,507
Gross profit	577,387	524,758	1,656,697	1,519,201
Operating expenses
General and administrative	82,774	61,547	201,688	167,747
Other operating	276,401	266,681	792,194	759,713
Rent	36,231	36,447	105,327	105,564
Loss on disposal of assets	203	747	2,918	894
Depreciation, amortization and accretion	77,628	65,984	234,418	202,927
Total operating expenses	473,237	431,406	1,336,545	1,236,845
Income from operations	104,150	93,352	320,152	282,356
Interest expense, net	54,289	28,517	132,565	57,692
Income before income taxes	49,861	64,835	187,587	224,664
Income tax expense	5,310	30,124	8,890	47,113
Net income and comprehensive income	44,551	34,711	178,697	177,551
Less: Net income and comprehensive income attributable to noncontrolling interest	0	852	0	2,545
Less: Preacquisition income allocated to general partner	0	6,315	0	117,728
Net income and comprehensive income attributable to partners	$ 44,551	$ 27,544	$ 178,697	$ 57,278
Common Units [Member]
Net income per limited partner unit:
Net income per limited partner unit (basic and diluted) (in dollars per share)	$ 0.24	$ 0.30	$ 1.25	$ 0.96
Weighted average limited partner units outstanding:
Weighted average limited partner units outstanding (basic) (in shares)	95,339,786	43,772,026	92,720,563	30,994,016
Weighted average limited partner units outstanding (diluted) (in shares)	95,414,444	43,772,142	92,795,221	30,994,132
Cash distribution per common unit (in shares)	$ 0.8255	$ 0.7454	$ 2.4683	$ 2.0838
Subordinated Units-Affiliated [Member]
Net income per limited partner unit:
Net income per limited partner unit (basic and diluted) (in dollars per share)	$ 0.00	$ 0.52	$ 0.00	$ 1.21
Weighted average limited partner units outstanding:
Weighted average limited partner units oustanding (basic and diluted) (in shares)	0	10,939,436	0	10,939,436
Common Units - Public [Member]
Weighted average limited partner units outstanding:
Weighted average limited partner units outstanding (basic) (in shares)	49,588,960	24,340,677	49,588,960	21,486,878
Weighted average limited partner units outstanding (diluted) (in shares)	49,663,618	24,340,793	49,663,618	21,486,994
Common Units - Affiliated [Member]
Weighted average limited partner units outstanding:
Weighted average limited partner units oustanding (basic and diluted) (in shares)	45,750,826	19,431,349	43,131,603	9,507,137