Net Income Per Unit (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Dec. 31, 2013
Net Income Per Unit [Abstract]
Limited partners' interest in net income subsequent to initial public offering	$ 8,528
Earnings Per Share, Basic	$ 0.19
Earnings Per Share, Diluted	$ 0.19
Earnings Per Share, Basic and Diluted, Subordinated Units	$ 0.19
Weighted Average Number of Shares Outstanding, Basic	22,811
Weighted Average Number of Shares Outstanding, Diluted	22,813
Weighted Average Number Of Subordinated Units Outstanding, Basic and Diluted	22,811

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate amount of net income allocated to limited partners.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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The amount of net income or loss for the period per each subordinated unit held by an affiliate limited partner in instances when basic and diluted earnings per unit are the same amount and aggregated on the face of the financial statements. Basic earnings per unit is the amount of net income or loss for the period per unit outstanding during the reporting period. Diluted earnings per unit includes the amount of net income or loss for the period available to each unit that would have been outstanding assuming the issuance of units for all dilutive potential units outstanding during the period.

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Weighted average number of subordinated units outstanding that are used in calculating basic and diluted earnings per limited partner unit.

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