Long-Term Incentive Plan (Tables)

9 Months Ended

Sep. 30, 2011

Long-Term Incentive Plan [Abstract]

Equity-Based Incentive Compensation Expense

	Three Months Ended September 30, 2010						Nine Months Ended September 30, 2010
	Equity Method		Liability Method		Total		Equity Method		Liability Method		Total
2007 awards	$	—	$	—	$	—	$	—	$	6	$	6
2008 awards	1,930		1,057		2,987		4,855		2,326		7,181
2009 awards	350		358		708		1,050		818		1,868
2010 awards	473		187		660		1,382		445		1,827
Retention awards	218		—		218		600		—		600
Total	$	2,971	$	1,602	$	4,573	$	7,887	$	3,595	$	11,482
Allocation of LTIP expense on our consolidated statements of income:
G&A expense					$	3,975					$	10,031
Operating expense					598						1,451
Total					$	4,573					$	11,482

	Three Months Ended September 30, 2011						Nine Months Ended September 30, 2011
	Equity Method		Liability Method		Total		Equity Method		Liability Method		Total
2009 awards	$	600	$	657	$	1,257	$	3,835	$	2,862	$	6,697
2010 awards	387		189		576		1,724		708		2,432
2011 awards	578		153		731		1,702		442		2,144
Retention awards	170		—		170		478		—		478
Total	$	1,735	$	999	$	2,734	$	7,739	$	4,012	$	11,751
Allocation of LTIP expense on our consolidated statements of income:
G&A expense					$	2,375					$	10,696
Operating expense					359						1,055
Total					$	2,734					$	11,751