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

9 Months Ended

Sep. 30, 2012

Property, Plant and Equipment Impairment or Disposal [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]

	For the Three Months Ended						For the Nine Months Ended
	September 30, 2012			September 30, 2011			September 30, 2012			September 30, 2011
Revenues	$	635		$	11,915		$	12,156		$	51,978
Operating expenses	(260		)	(5,446		)	(5,373		)	(22,738		)
Interest and other income	4			43			35			196
Interest expense	(601		)	(2,353		)	(3,228		)	(9,700		)
Depreciation and amortization	(125		)	(2,780		)	(608		)	(11,743		)
(Loss) income before (loss) gain on property dispositions	(347		)	1,379			2,982			7,993
(Loss) gain on property dispositions	(1,540		)	4,095			2,505			54,722
(Loss) income from discontinued operations	$	(1,887	)	$	5,474		$	5,487		$	62,715