v2.4.0.6
SUBSEQUENT EVENT (Details) (TexStar Asset Purchase Agreement [Member], USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Subsequent Event [Line Items]  
Date of Agreement, Assets to be Acquired Nov. 02, 2012
Purchase Price of Assets to be Acquired $ 425.0
Description of Termination Rights The Purchase Agreement contains certain termination rights prior to consummation of the Transaction by: (i) mutual written consent of NuStar Logistics and Sellers; (ii) NuStar Logistics if casualty losses result in damages in excess of $17.0 million; (iii) NuStar Logistics or Sellers, as applicable, if the other party has breached a representation, warranty or covenant contained in the Purchase Agreement so that such party is incapable of fulfilling its obligations under a closing condition; (iv) by NuStar Logistics or Sellers if the Initial Closing has not occurred by December 15, 2012, subject to extension as provided in the Purchase Agreement; or (v) by NuStar Logistics or Sellers if the Second Closing has not occurred by January 31, 2013, subject to extension as provided in the Purchase Agreement.
Crude Oil Pipelines [Member]
 
Subsequent Event [Line Items]  
Assets to be acquired approximately 140 miles of crude oil pipelines and gathering lines that are currently under construction and upon completion will have throughput capacity of 100,000 barrels per day (the Crude Oil Pipelines)
Crude Oil Terminals and Storage Facilities [Member]
 
Subsequent Event [Line Items]  
Assets to be acquired five terminals and storage facilities providing 643,400 barrels of storage capacity (the Crude Oil Terminals and Storage Facilities)
NGL Assets [Member]
 
Subsequent Event [Line Items]  
Assets to be acquired 38 miles of natural gas liquids (NGL) Y-grade pipeline and two fractionators with a combined capacity of 57,000 barrels per day (the NGL Assets)
Redfish Bay Lease [Member]
 
Subsequent Event [Line Items]  
Assets to be acquired a lease for a terminal and storage facility located near Corpus Christi providing 144,000 barrels of storage capacity (the Redfish Bay Lease)
Initial Closing [Member]
 
Subsequent Event [Line Items]  
Amount to be Paid for Assets to be Acquired 325.0
Second Closing [Member]
 
Subsequent Event [Line Items]  
Amount to be Paid for Assets to be Acquired $ 100.0