Regulatory and Legal Developments (Details) (USD $)	9 Months Ended		9 Months Ended
	Sep. 30, 2012	Apr. 10, 2012	Sep. 30, 2012 Van Buren Estates, LLC [Member]	Mar. 05, 2012 Van Buren Estates, LLC [Member]
Regulatory and legal developments (Textual) [Abstract]
Action commencement date in the Superior Court of California			2010-03-26
Total liability and damages concluded in the trial				$ 6,500,000
Cost to cure the title defect at issue in the case				400,000
Number of complaints in company/its affiliates as a defendant	78
Number of complaints dismissed during the period	7
Damage incurred due to the extra-contractual claims against STGC and STGM based on application of Mexican law	0
Motion granted under Judgment		$ 4,200,000