Accounting for the Impairment or Disposal of Long-Lived Assets (Tables)

3 Months Ended

Mar. 31, 2012

Property, Plant and Equipment Impairment or Disposal [Abstract]

Results of Operations for the Properties Held for Sale and Disposed

	For the Three Months Ended
	March 31, 2012			March 31, 2011
Revenues	$	9,409		$	21,961
Operating expenses	(4,090		)	(9,555		)
Interest and other income	27			95
Interest expense	(2,428		)	(3,280		)
Depreciation and amortization	(71		)	(5,462		)
Income before gain on property dispositions	2,847			3,759
Gain on property dispositions	1,064			470
Income from discontinued operations	$	3,911		$	4,229