Summary of Significant Accounting Policies (Schedule Of Estimated Useful Lives) (Details) (Imported)	12 Months Ended
	Dec. 31, 2011 years
Office Building [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	30
Computer Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	3
Furniture, Fixtures And Other Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	7
Vehicles [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	3
Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	Life of lease
Leasehold Land [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life	Life of lease