CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue:
Total revenue from contracts with customers	$ 828,219	$ 980,262
Total revenue	1,028,972	1,183,105
Costs and expenses:
Cost of product sales	655,107	785,327
Operating expenses	152,898	154,868
Depreciation and amortization	63,884	64,138
General and administrative	21,650	23,289
Other, net	1,213	(14,030)
Total costs and expenses	894,752	1,013,592
Operating income	134,220	169,513
Other (expense) income:
Earnings from equity investments	3,345	7,489
Interest and debt expense	(52,168)	(59,105)
Other expense, net	(3,839)	(315)
Total other expense, net	(52,662)	(51,931)
Income before taxes	81,558	117,582
Income tax expense	(298)	(490)
Net income	81,260	117,092
Less: Net income attributable to noncontrolling interests	(498)	(4,719)
Net income attributable to Buckeye Partners, L.P.	$ 80,762	$ 112,373
Earnings per unit attributable to Buckeye Partners, L.P.:
Basic (in dollars per share)	$ 0.52	$ 0.75
Diluted (in dollars per share)	$ 0.52	$ 0.74
Weighted average units outstanding:
Basic (in shares)	153,846	148,904
Diluted (in shares)	154,542	149,532
Product sales
Revenue:
Total revenue from contracts with customers	$ 662,996	$ 792,187
Transportation, storage and other services
Revenue:
Total revenue from contracts with customers	$ 365,976	$ 390,918