CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue:
Total revenue from contracts with customers	$ 655,847	$ 783,196	$ 1,484,066	$ 1,763,458
Total revenue	791,702	940,839	1,820,674	2,123,944
Costs and expenses:
Cost of product sales	416,397	552,399	1,071,504	1,337,726
Operating expenses	156,554	156,505	309,452	311,373
Depreciation and amortization	65,859	66,569	129,743	130,707
General and administrative	18,306	21,792	39,956	45,081
Other, net	(3,007)	(2,123)	(1,794)	(16,153)
Total costs and expenses	654,109	795,142	1,548,861	1,808,734
Operating income	137,593	145,697	271,813	315,210
Other (expense) income:
Earnings from equity investments	2,871	8,265	6,216	15,754
Interest and debt expense	(49,574)	(59,566)	(101,742)	(118,671)
Other expense, net	(78)	(297)	(3,917)	(612)
Total other expense, net	(46,781)	(51,598)	(99,443)	(103,529)
Income before taxes	90,812	94,099	172,370	211,681
Income tax expense	(297)	(782)	(595)	(1,272)
Net income	90,515	93,317	171,775	210,409
Less: Net income attributable to noncontrolling interests	(496)	(1,413)	(994)	(6,132)
Net income attributable to Buckeye Partners, L.P.	$ 90,019	$ 91,904	$ 170,781	$ 204,277
Earnings per unit attributable to Buckeye Partners, L.P.:
Basic (in dollars per share)	$ 0.58	$ 0.59	$ 1.10	$ 1.34
Diluted (in dollars per share)	$ 0.58	$ 0.59	$ 1.09	$ 1.33
Weighted average units outstanding:
Basic (in shares)	153,918	153,258	153,882	151,093
Diluted (in shares)	154,742	153,989	154,639	151,770
Product sales
Revenue:
Total revenue from contracts with customers	$ 420,573	$ 556,850	$ 1,083,569	$ 1,349,037
Transportation, storage and other services
Revenue:
Total revenue from contracts with customers	$ 371,129	$ 383,989	$ 737,105	$ 774,907