Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2011 year
Land, Buildings and Improvements [Member]
Estimated useful life of assets
Minimum life (in years)	15
Maximum life (in years)	40
Furniture, fixtures and equipment [Member]
Estimated useful life of assets
Minimum life (in years)	3
Maximum life (in years)	15
Leasehold Improvements [Member]
Estimated useful life of assets
Minimum life (in years)	5
Maximum life (in years)	10
Transportation [Member]
Estimated useful life of assets
Minimum life (in years)	5
Maximum life (in years)	20