Incentive Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2011

Incentive Compensation Plans

Compensation expense recorded for share-based pay arrangements

	Three months ended June 30,				Six months ended June 30,
	2011		2010		2011		2010
Phantom units	$	2,457	$	1,968	$	8,093	$	8,253
Distribution equivalent rights	110		310		212		621
Total compensation expense	$	2,567	$	2,278	$	8,305	$	8,874