CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Sales	$ 1,469,577		$ 3,507,540		$ 4,064,670	$ 6,487,166
Cost of sales	1,229,630		3,340,397		3,678,985	6,163,179
Gross profit	239,947		167,143		385,685	323,987
Costs and operating expenses:
Selling, general and administrative expenses	59,017		40,968		99,940	82,058
Operating expenses	76,714		86,451		159,267	169,395
Lease exit and termination gain						(493)
Amortization expense	2,713		2,977		5,425	5,953
Net gain on sale and disposition of assets	(811)		(1,128)		(68)	(575)
Long-lived asset impairment	1,724				1,724
Total costs and operating expenses	139,357		129,268		266,288	256,338
Operating income	100,590		37,875		119,397	67,649
Interest expense	(21,089)		(23,066)		(42,690)	(46,022)
Income before income tax (expense) benefit	79,501		14,809		76,707	21,627
Income tax (expense) benefit	(3,528)		(438)		2,341	(462)
Net income	75,973	$ 3,075	14,371	$ 6,794	79,048	21,165
Net loss attributable to noncontrolling interest	289		118		490	450
Net income attributable to Global Partners LP	76,262		14,489		79,538	21,615
Less: General partner's interest in net income, including incentive distribution rights	511		366		533	670
Series A Preferred Limited Partners
Costs and operating expenses:
Limited partners' interest in net income	1,682		1,682		3,364	3,364
Common Limited Partners
Costs and operating expenses:
Limited partners' interest in net income	$ 74,069		$ 12,441		$ 75,641	$ 17,581
Basic net income per limited partner unit (in dollars per unit)	$ 2.19		$ 0.37		$ 2.23	$ 0.52
Diluted net income per limited partner unit (in dollars per unit)	$ 2.17		$ 0.36		$ 2.21	$ 0.51
Basic weighted average limited partner units outstanding (in units)	33,869		33,755		33,869	33,754
Diluted weighted average limited partner units outstanding (in units)	34,204		34,286		34,248	34,259