Organization, Consolidation and Presentation of Financial Statements Disclosure - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Organization and Summary of Significant Accounting Policies Disclosure [Line Items]
Cost of sale	$ 7,769	$ 7,037	$ 28,718	$ 22,157
Real Estate
Organization and Summary of Significant Accounting Policies Disclosure [Line Items]
Cost of sale	920	981	3,089	1,606
Real Estate | Restatement Adjustment
Organization and Summary of Significant Accounting Policies Disclosure [Line Items]
Cost of sale		$ 312,000		$ 936,000