Net Income Per Unit (Notes)

12 Months Ended

Dec. 31, 2011

Net Income (Loss) Per Unit [Abstract]

Net Income Per Unit [Text Block]

NET INCOME PER UNIT

The following is a summary of net income (loss) for the year ended December 31, 2011 (in thousands), disaggregated between the Predecessor and the Partnership:

	Tesoro Logistics LP Predecessor			Tesoro Logistics LP			Year Ended
							December 31, 2011
	Through April 25, 2011			From April 26, 2011
REVENUES	$	8,198		$	72,748		$	80,946
COSTS AND EXPENSES
Operating and maintenance expenses	10,907			24,414			35,321
Depreciation and amortization expenses	2,353			5,725			8,078
General and administrative expenses	1,560			6,430			7,990
Loss on asset disposals	—			1			1
Total Costs and Expenses	14,820			36,570			51,390
OPERATING INCOME (LOSS)	(6,622		)	36,178			29,556
Interest and financing costs, net	—			(1,610		)	(1,610		)
NET INCOME (LOSS)	$	(6,622	)	$	34,568		$	27,946

Basic net income per unit applicable to limited partners (including subordinated unitholders) is computed by dividing limited partners’ interest in net income, after deducting the general partner’s 2% interest and incentive distributions, by the weighted-average number of outstanding common and subordinated units. Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, the holder of the IDRs, pursuant to our partnership agreement, which are declared and paid following the close of each quarter.

Net income per unit is only calculated for the Partnership after the Offering as no units were outstanding prior to April 26, 2011. Earnings in excess of distributions are allocated to the general partner and limited partners based on their respective ownership interests. Payments made to our unitholders are determined in relation to actual distributions declared and are not based on the net income allocations used in the calculation of net income per unit. The basic weighted-average number of units outstanding equals the total number of units outstanding as of December 31, 2011.

Diluted net income per unit includes the effects of potentially dilutive units on our common units, consisting of unvested service and performance phantom units. Basic and diluted net income per unit applicable to subordinated limited partners are the same because there are no potentially dilutive subordinated units outstanding.

In addition to the common and subordinated units, we have also identified the general partner interest and IDRs as participating securities and use the two-class method when calculating the net income per unit applicable to limited partners, which is based on the weighted-average number of common units outstanding during the period. There have been no additional changes to the outstanding shares after the closing of the Offering.

The calculation of net income per unit is as follows (in thousands, except unit and per unit amounts):

	Year Ended
	December 31, 2011
Net income subsequent to initial public offering	$	34,568
Less: General partner's interest in net income subsequent to initial public offering	692
Limited partners' interest in net income subsequent to initial public offering	$	33,876
Weighted average limited partner units outstanding:
Common units - basic	15,254,890
Common unit equivalents	27,476
Common units - diluted	15,282,366
Subordinated units - Tesoro (basic and diluted)	15,254,890
Net income per limited partner unit:
Common - basic	$	1.11
Common - diluted	$	1.11
Subordinated - Tesoro (basic and diluted)	$	1.11