Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Total revenues	$ 604,692	$ 468,039
Cost of products sold:
Affiliate	122,699	95,149
Third-party	394,600	300,441
Operating and maintenance expenses	44,847	44,658
Selling, general and administrative expenses	6,743	5,364
Gain on disposal of assets, net	(291)	(99)
Depreciation and amortization	9,732	9,338
Total operating costs and expenses	578,330	454,851
Operating income	26,362	13,188
Other income (expense):
Interest and debt expense	6,608	7,052
Other income (expense), net	22	(118)
Net income before income taxes	19,776	6,018
Benefit (provision) for income taxes	110	(261)
Net income	19,886	5,757
Less net loss attributable to General Partner	0	(8,250)	[1]
Net income attributable to limited partners	$ 19,886	$ 14,007
Earnings Per Share [Abstract]
Distribution Made to Limited Partner, Distributions Declared, Per Unit	$ 0.4375	$ 0.3925
Fee Based Revenues [Member]
Revenues:
Revenues: Affiliate	$ 65,477	$ 51,928
Revenues: Third-party	619	690
Sales Based Revenues [Member]
Revenues:
Revenues: Affiliate	125,067	97,529
Revenues: Third-party	$ 413,529	$ 317,892
Common Units [Member]
Earnings Per Share [Abstract]
Earnings Per Share, Basic	$ 0.22	$ 0.28
Earnings Per Share, Diluted	$ 0.22	$ 0.28
Weighted Average Number of Shares Outstanding, Basic	45,681	24,448
Weighted Average Number of Shares Outstanding, Diluted	45,688	24,454
Subordinated Units [Member]
Earnings Per Share [Abstract]
Earnings Per Share, Basic and Diluted	$ 0.51	$ 0.28
Weighted Average Number of Shares Outstanding, Basic and Diluted	15,207	22,811

[1] We apply the two-class method to calculate earnings per unit and allocate the results of operations of the St. Paul Park Logistics Assets prior to the St. Paul Park Logistics Transaction entirely to our general partner. The limited partners had no rights to the results of operations before the acquisition.