Interest payable And mortgages were collateralized by deeds (Details) (USD $)	Dec. 31, 2012
Interest Payable.	$ 8,500,000
Minimum interest rate	2.00%
Maximum interest rate	12.50%
Collateral deed value	91,900,000
Senior debt	818,200,000
Junior debt	30,200,000
Other debt	12,900,000
property tax loans	$ 1,000,000