Basis Of Presentation (Tables)

6 Months Ended

Jun. 30, 2011

Basis Of Presentation

Allowance For Doubtful Accounts

	Three Months Ended June 30, 2011			Six Months Ended June 30, 2011
	(in thousands)
Beginning allowance for doubtful accounts balance	$	3,535		$	3,674
Amount recorded in other expense for bad debt recoveries		(1,815	)		(1,797	)
Other net decreases		(306	)		(463	)
Ending allowance for doubtful accounts balance	$	1,414		$	1,414

Stock-Based Awards, Lapses, Exercises And Forfeitures

	Restricted Stock Equity Awards			Restricted Stock Liability Awards			Performance Units			Stock Options			Pioneer Southwest LTIP Restricted Units			Pioneer Southwest LTIP Phantom Units
Outstanding at December 31, 2010		2,559,779			215,134			263,729			507,539			12,212			35,118
Awards granted		427,384			182,982			43,495			86,903			6,812			30,039
Awards vested		(1,015,713	)		(63,556	)		(14,807	)		—			(11,532	)		—
Options exercised		—			—			—			(15,290	)		—			—
Awards forfeited		(37,914	)		(11,931	)		—			—			—			—
Outstanding at June 30, 2011		1,933,536			322,629			292,417			579,152			7,492			65,157