Income Taxes (Notes)	3 Months Ended
Income Taxes (Notes)	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our effective income tax rate decreased to 1.1% for the three months ended March 31, 2014 compared to the effective income tax rate of 1.7% for the three months ended March 31, 2013. For tax purposes, each partner of the Partnership is required to take into account its share of income, gain, loss and deduction in computing its federal and state income tax liabilities, regardless of whether cash distributions are made to such partner by the Partnership. The taxable income reportable to each partner takes into account differences between the tax basis and fair market value of our assets, the acquisition price of such partner's units and the taxable income allocation requirements under our partnership agreement.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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