Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]
Maximum balance of cash and cash equivalents which does require FDIC coverage	$ 250,000		$ 250,000
Depreciation expense	3,229,834	131,923	1,108,348	47,065
In progress construction	34,357		34,357		7,551,187
Liability for environmental obligations	$ 0		$ 0		$ 0
Dakota Petroleum Transport Solutions, LLC [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage	50.00%		50.00%
Dakota Petroleum Transport Solutions Marketing, LLC [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage	50.00%		50.00%
Dakota Plains Services, LLC [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage	50.00%		50.00%
Dakota Petroleum Transport Solutions Sand, LLC [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage	50.00%		50.00%