Extraordinary Item (Details) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2010
Extraordinary Item [Abstract]
Income from an extraordinary item net of tax		$ 1,296,000	$ 1,296,000
Receipt from Texas Department of Transportation for land and damages to our existing property	2,200,000
Net gain on proceeds from Texas Department of Transportation for land and damages to our existing property before income taxes	$ 2,000,000

Description of the gains (losses), after tax, arising from an event or transaction that is both unusual in nature and infrequent in occurrence when considered in relation to the environment in which the entity operates and which represents the portion assigned to noncontrolling interest, if any. This amount is the income statement amount which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Principles Board Opinion (APB)

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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+ Details