Employee Benefit Plans And Equity-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Summary Of Service-Based And Performance-Based Awards

	Service-Based Awards							Performance-Based Awards
	Number of Phantom Units		Average Grant Date Fair Value		Total Value			Number of Phantom Units		Average Grant Date Fair Value		Total Value
Unvested at December 31, 2011	109,762		$	23.36	$	2,564		102,970		$	28.19	$	2,902
Granted	48,785		$	30.52	1,489			128,210		$	31.38	4,023
Forfeited	(1,787	)	$	29.04	(52		)	(2,679	)	$	29.04	(78		)
Settled	(30,548	)	$	24.94	(762		)	—		$	—	—
Unvested at December 31, 2012	126,212		$	25.66	$	3,239		228,501		$	29.97	$	6,847

Assumptions Used To Determine Fair Value Of Rights

	Assumptions Used for Fair Value of Rights
	December 31, 2012			December 31, 2011			December 31, 2010
Expected life of rights (in years)	Less than 1			0.00	-	3.41	0.00	-	4.41
Risk-free interest rate	0.00%	-	0.07%	0.00%	-	0.58%	0.12%	-	1.73%
Expected unit price volatility	39.3%			40.6%			41.9%
Expected future distribution yield	5.00%			6.00%			6.00%

Reconciliation Of Rights Activity

	Stock Appreciation Rights		Weighted Average Strike Price		Weighted Average Contractual Remaining Term (Yrs)	Aggregate Intrinsic Value
Outstanding at December 31, 2011	662,484		$	17.97
Exercised during 2012	(264,060	)	$	18.85
Forfeited or expired during 2012	(13,618	)	$	18.91
Outstanding at December 31, 2012	384,806		$	17.25	4.83	$	7,099
Exercisable at December 31, 2012	351,051		$	17.66	4.71	$	6,332

Expense Related To Equity-Based Compensation Plans

	Expense Related to Equity-Based Compensation Plans
Consolidated Statement of Operations	2012		2011		2010
Supply and logistics operating costs	$	3,038	$	181	$	2,611
Refinery services operating costs	1,427		226		833
Pipeline operating costs	247		135		575
General and administrative expenses	6,467		2,013		2,098
Total	$	11,179	$	2,555	$	6,117