Commitments and Contingencies - Additional Information (Detail) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2012	Sep. 30, 2013 sqft	Dec. 31, 2012	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 FM Bayberry Cove Holding, LLC [Member] acre	May 31, 2010 FM Bayberry Cove Holding, LLC [Member]
Commitment And Contingencies [Line Items]
Settlement reserve accrued	$ 611,691
Additional reserve reflect value of additional underdeveloped acres and cost			723,058
Claim of lien on real property						3,800,000
Amount of the judgment plus interest				$ 4,600,000
Area of real estate property		759,000			600