Poinciana Parkway (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 mi Lane Person Lot acre	Dec. 31, 2012
Poinciana Parkway [Abstract]
Approximate Poinciana community population	70,000
Approximate number of Poinciana community lots	5,000
Approximate number of acres in Poinciana community	10,000
Number of lanes in the arterial roadway	4
Number of lanes in all other access roads	2
Length of Poinciana Parkway	10
Extension period of prior agreements	1 year
Required contribution towards the construction cost of certain traffic improvements	$ 1,900
Non-cash charge	7,659
Mitigating charge reclassed to Prepaid Expenses and Other Assets		$ 749