PARTNERS' CAPITAL AND DISTRIBUTIONS - Additional Information (Detail) (USD $)	12 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended					1 Months Ended
	Dec. 31, 2011 bbl	Apr. 30, 2011	Nov. 19, 2010	Jan. 31, 2011 Institutional Investors	Jan. 18, 2011 Institutional Investors	Jan. 31, 2011 FRC Founders Corporation	Jan. 18, 2011 FRC Founders Corporation	Feb. 28, 2011 Vopak Bahamas B.V.	Jan. 18, 2011 Class B Units Institutional Investors	Jan. 18, 2011 Class B Units FRC Founders Corporation	Feb. 16, 2011 Class B Units Vopak Bahamas B.V.	Feb. 16, 2011 Limited Partner Vopak Bahamas B.V.	Feb. 29, 2012 Dividend Declared	Feb. 29, 2012 Dividend Paid Unit Distribution
Capital Unit [Line Items]
Class B Units, distributions	The Class B Units share equally with the LP Units (i) with respect to the payment of distributions and (ii) in the event of our liquidation. We have the option to pay distributions on the Class B Units with cash or by issuing additional Class B Units, with the number of Class B Units issued based upon the volume-weighted average price of the LP Units for the 10 trading days immediately preceding the date the distributions are declared, less a discount of 15%.
Number of trading days	10 days
Discount rate	15.00%
Class B Units, conversion	The Class B Units will convert into LP Units on a one-for-one basis on the earlier of (a) the date on which at least 4 million barrels of incremental storage capacity are placed in service by BORCO or (b) the third anniversary of the closing of the BORCO acquisition.
Barrels of incremental storage, minimum	4,000,000
LP Units issued	19,951,498	5,520,000	19,951,498		5,794,725		2,483,444					620,861
LP Units issued in an underwritten public offering, price per unit		$ 59.41
LP Units issued as part of the overallotment option	720,000
LP Units underwriter's discount per LP Unit		$ 1.99
Total proceeds from the offering	316,600,000
Class B units issued									1,314,870	4,382,889	1,095,722			141,120
Units issued, aggregate consideration				425,000,000		400,000,000		100,000,000
Equity issuance cost	4,600,000
Dividends Payable, date declared													Feb. 10, 2012
Distribution, price per LP unit													$ 1.0375
Distribution, payment date													Feb. 29, 2012
Distribution, unitholders of record date													Feb. 21, 2012
Total cash distributed to LP unitholders													$ 89,500,000