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Supplemental Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2011

Supplemental Financial Data [Abstract]

Selected Quarterly Financial Information


2011		First Quarter				Second Quarter				Third Quarter				Fourth Quarter
						(as restated)				(as restated)
Total revenues		$	84,852			$	96,532			$	103,164			$	90,681
Depreciation, depletion and amortization		$	14,322			$	17,435			$	19,819			$	13,542
Income (loss) from operations		$	55,861			$	68,670			$	(17,796	)		$	(5,054	)
Net income (loss)		$	45,282			$	56,206			$	(30,559	)		$	(19,357	)
Basic and diluted net income (loss) per limited partner unit		$	0.42			$	0.52			$	(0.28	)		$	(0.18	)
Weighted average number of units outstanding:
Common			106,028				106,028				106,028				106,028


2010		First Quarter				Second Quarter				Third Quarter				Fourth Quarter
Total revenues		$	63,519			$	79,588			$	80,752			$	77,543
Income from operations		$	40,912			$	51,953			$	50,344			$	52,852
Net income		$	30,191			$	41,611			$	40,153			$	42,506
Basic and diluted net income per limited partner unit		$	0.24			$	0.38			$	0.51			$	0.39
Weighted average number of units outstanding:
Common			69,451				74,028				77,896				106,028