Properties and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	$ 1,164,391,000	$ 1,120,110,000
Less accumulated depreciation	203,856,000	159,611,000
Properties and equipment, net	960,535,000	960,499,000	[1]
Interest costs, capitalized during period	(277,000)	(891,000)		462,000
Depreciation	50,100,000	30,000,000		24,500,000
Noncash Project Abandonment Costs	4,800,000	1,200,000		400,000
Pipelines And Terminals [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	1,049,531,000	886,167,000
Land and right of way [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	63,248,000	43,904,000
Other [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	24,462,000	17,554,000
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Properties and equipment, gross	$ 27,150,000	$ 172,485,000

[1] (1) Restated as described in Note 2.