Equity (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block]

	Total Quarterly Distribution per Unit Target Amount	Marginal Percentage Interest in Distributions
		Unitholders		General Partner
Minimum Quarterly Distribution	$0.2875	100.0	%	—
First Target Distribution	above $0.2875 up to $0.3306	100.0	%	—
Second Target Distribution	above $0.3306 up to $0.3594	85.0	%	15.0	%
Third Target Distribution	above $0.3594 up to $0.4313	75.0	%	25.0	%
Thereafter	above $0.4313	50.0	%	50.0	%

Distributions Made to Limited Partner, by Distribution [Table Text Block]

The table below summarizes our 2015 quarterly distribution declarations, payments and scheduled payments through December 31, 2015:

Declaration Date	Record Date	Payment Date	Distribution per Common and Subordinated Unit
January 30	February 13	February 23	$	0.3325
May 1	May 15	May 26	0.3475
July 31	August 14	August 24	0.3650
October 30	November 13	November 23	0.3825
Total			$	1.4275

On February 1, 2016, our general partner's board of directors declared a quarterly cash distribution of $0.3925 per unit for the fourth quarter of 2015. We paid the distribution on February 26, 2016 to all unitholders of record on February 11, 2016.

During 2015, we declared and paid distributions that were in excess of the target distribution amounts set forth in our partnership agreement, resulting in distributions to our General Partner as the holder of incentive distribution rights. The total quarterly cash distributions made to general and limited partners for the years ended December 31, 2015 and 2014, respectively, was as follows:

	Year Ended
	December 31, 2015		December 31, 2014
	(In thousands, except per unit data)
General Partners' distributions:
General Partner's incentive distribution rights	$	1,085	$	—
Total General Partner's distributions	$	1,085	$	—
Limited partners' distributions:
Common	$	34,436	$	26,902
Subordinated	32,563		26,534
Total limited partners' distributions	66,999		53,436
Total cash distributions	$	68,084	$	53,436
Cash distributions per limited partner unit	$	1.4275	$	1.1632

We currently have an effective universal shelf Registration Statement on Form S-3 that provides for the registration and sale of up to $1 billion of equity or debt securities of us and certain of our subsidiaries. We may over time, and subject to market conditions, in one or more offerings, offer and sell any combination of the securities described in the prospectus.