Property And Equipment (Summary Of Results Of Operations Of Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Revenue	$ 65,472	$ 63,934	$ 194,681	$ 189,313
Less: operating expense	59,646	59,777	178,553	174,666
Income (loss) from discontinued operations, net of tax		(241)		(121)
Indooroopilly Property [Member]
Property, Plant and Equipment [Line Items]
Revenue		210		627
Less: operating expense		168		465
Less: impairment expense		283		283
Income (loss) from discontinued operations, net of tax		$ (241)		$ (121)