Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Segment information for the periods presented below was as follows:

	Pipeline Transportation		Refinery Services			Supply & Logistics			Total
Three Months Ended September 30, 2013
Segment margin (a)	$	29,860	$	19,163		$	15,801		$	64,824
Capital expenditures (b)	$	38,514	$	632		$	290,942		$	330,088
Revenues:
External customers	$	16,636	$	55,025		$	1,188,157		$	1,259,818
Intersegment (c)	6,581		(2,615		)	(3,966		)	—
Total revenues of reportable segments	$	23,217	$	52,410		$	1,184,191		$	1,259,818
Three Months Ended September 30, 2012
Segment margin (a)	$	23,295	$	18,983		$	23,651		$	65,929
Capital expenditures (b)	$	21,764	$	1,025		$	14,410		$	37,199
Revenues:
External customers	$	16,190	$	50,378		$	975,269		$	1,041,837
Intersegment (c)	2,974		(2,401		)	(573		)	—
Total revenues of reportable segments	$	19,164	$	47,977		$	974,696		$	1,041,837
Nine Months Ended September 30, 2013
Segment margin (a)	$	81,512	$	55,824		$	69,995		$	207,331
Capital expenditures (b)	$	159,922	$	2,296		$	347,001		$	509,219
Revenues:
External customers	$	53,121	$	161,492		$	3,406,076		$	3,620,689
Intersegment (c)	13,412		(8,122		)	(5,290		)	—
Total revenues of reportable segments	$	66,533	$	153,370		$	3,400,786		$	3,620,689
Nine Months Ended September 30, 2012
Segment margin (a)	$	69,427	$	53,510		$	66,075		$	189,012
Capital expenditures (b)	$	300,093	$	2,295		$	77,414		$	379,802
Revenues:
External customers	$	44,564	$	151,326		$	2,820,095		$	3,015,985
Intersegment (c)	11,230		(6,984		)	(4,246		)	—
Total revenues of reportable segments	$	55,794	$	144,342		$	2,815,849		$	3,015,985

Total assets by reportable segment were as follows:

	September 30, 2013		December 31, 2012
Pipeline transportation	$	1,024,367	$	890,652
Refinery services	414,102		414,170
Supply and logistics	1,179,791		750,347
Other assets	61,310		54,495
Total consolidated assets	$	2,679,570	$	2,109,664

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

(a) A reconciliation of Segment Margin to income before income taxes for the periods presented is as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
Segment Margin	$	64,824		$	65,929		$	207,331		$	189,012
Corporate general and administrative expenses	(11,113		)	(9,428		)	(32,255		)	(26,756		)
Depreciation and amortization	(16,066		)	(14,838		)	(46,789		)	(45,447		)
Interest expense	(12,587		)	(9,873		)	(36,282		)	(30,697		)
Distributable cash from equity investees in excess of equity in earnings	(5,204		)	(5,613		)	(16,659		)	(19,098		)
Non-cash items not included in segment margin	507			(2,222		)	(2,828		)	(2,475		)
Cash payments from direct financing leases in excess of earnings	(1,291		)	(1,278		)	(3,786		)	(3,748		)
Income before income taxes	$	19,070		$	22,677		$	68,732		$	60,791