Fair Value Disclosures (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $)	Sep. 30, 2012	Dec. 31, 2011
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties	$ 150,000	$ 150,000
Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties	150,000	150,000
Level 1 [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties
Level 1 [Member] | Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties
Level 2 [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties
Level 2 [Member] | Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties
Level 3 [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties	150,000	150,000
Level 3 [Member] | Vacant Phoenix, AZ Property [Member]
Assets and liabilities carried on balance sheet by caption and by level within fair valuation hierarchy
Total properties	$ 150,000	$ 150,000