XML 18 R42.htm IDEA: XBRL DOCUMENT v2.4.0.8
NET INCOME PER UNIT Narrative (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Outstanding options to purchase NuStar GP Holdings units 289,100 289,100