Reconciliation of BGH's Common Units and Management Units and Conversion to Buckeye's LP Units Outstanding (Detail)	12 Months Ended								12 Months Ended						12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Apr. 30, 2011	Nov. 19, 2010	Dec. 31, 2008		Dec. 31, 2010 BGH units		Dec. 31, 2010 LP Units		Dec. 31, 2009 General Partner	Dec. 31, 2008 General Partner	Dec. 31, 2010 General Partner BGH units		Dec. 31, 2011 Limited Partner		Dec. 31, 2009 Limited Partner	Dec. 31, 2010 Limited Partner BGH units		Dec. 31, 2010 Limited Partner LP Units		Dec. 31, 2009 Management Units	Dec. 31, 2010 Management Units BGH units		Dec. 31, 2011 Class B Units		Dec. 31, 2011 Employee Stock Ownership Plan (ESOP), Plan		Dec. 31, 2010 Employee Stock Ownership Plan (ESOP), Plan		Dec. 31, 2011 Employee Stock Ownership Plan (ESOP), Plan Limited Partner	Dec. 31, 2010 Employee Stock Ownership Plan (ESOP), Plan Limited Partner	Dec. 31, 2011 Long Term Incentive Plans		Dec. 31, 2011 Long Term Incentive Plans Limited Partner
Capital Unit [Line Items]
Beginning Balance	71,436,000	[1]	28,300,000	[1]			28,300,000	[1]					3,000	3,000			71,436,000		27,767,000					530,000
Issuance of units to First Reserve and Vopak as consideration for BORCO acquisition	8,583,000	[1]															3,104,000										5,479,000
Conversion of management units to common units																			4,000					(4,000)
Issuance of units to institutional investors	7,110,000	[1],[2]															5,795,000	[2]									1,315,000	[2]
Issuance of units in underwritten public offering	5,520,000	[1]															5,520,000
Issuance of Class B Units in lieu of quarterly cash distribution	511,000	[1]																									511,000
Ending Balance	93,273,000	[1]	71,436,000	[1]			28,300,000	[1]					3,000	3,000			85,968,000		27,771,000					526,000			7,305,000
Cancellation of BGH units in connection with Merger			(80,000)						(28,300,000)	[1],[3]	(80,000)	[1],[4]			(3,000)	[3]				(27,771,000)	[3]	(80,000)	[4]		(526,000)	[3]
Buckeye LP Units issued to BGH unitholders	19,951,498				5,520,000	19,951,498			19,951,000	[1],[3]										19,951,000	[3]
Buckeye LP Units outstanding on date of Merger	85,968,423		71,436,099			51,556,716			51,557,000	[1]										51,557,000
LP Units issued pursuant to the LTIP																													97,000	[1]	8,000	[1]	97,000	8,000	16,000	[1]	16,000

[1] Amounts presented through the date of the Merger represent historical BGH units outstanding.

[2] Proceeds were used to fund a portion of the BORCO acquisition.

[3] On November 19, 2010, in connection with the Merger, BGH units outstanding were converted into LP Units at a ratio of 0.705 to 1.0. Buckeye issued approximately 20.0 million LP Units to BGH's unitholders. On November 19, 2010, Buckeye had approximately 51.6 million LP Units outstanding.

[4] In connection with the Merger, 80,000 LP Units held by BGH were cancelled.