Unit-Based Compensation (Details) (Long-term incentive plan)	Dec. 31, 2012
Long-term incentive plan
UNIT-BASED COMPENSATION
Number of units authorized and reserved for issuance (in units)	1,035,378

- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References+ Details