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Notes Receivable - Components of Notes Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2013
Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans receivable $ 52,703 $ 72,218 $ 62,862 $ 60,378
Other notes 1,025 1,034    
Tax Increment Financing Bonds ("TIF Bonds") 5,135 5,086    
Notes receivable, net $ 58,863 $ 78,338 $ 71,076