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Notes Receivable - Components of Notes Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Loans Receivable [Member]
Dec. 31, 2013
Loans Receivable [Member]
Minimum [Member]
Dec. 31, 2013
Loans Receivable [Member]
Maximum [Member]
Dec. 31, 2013
Other Notes [Member]
Dec. 31, 2013
Other Notes [Member]
Minimum [Member]
Dec. 31, 2013
Other Notes [Member]
Maximum [Member]
Dec. 31, 2013
Tax Increment Financing Bonds [Member]
Dec. 31, 2013
Tax Increment Financing Bonds [Member]
Minimum [Member]
Dec. 31, 2013
Tax Increment Financing Bonds [Member]
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]                        
Loans receivable $ 72,218 $ 60,378 $ 84,541                  
Other notes 1,034 3,093                    
Tax Increment Financing Bonds ("TIF Bonds") 5,086 5,247                    
Notes receivable,net $ 78,338 $ 68,718 $ 93,905                  
Maturity Date       September 2011 to June 2023     November 2014 to September 2017     April 2014 to July 2026    
Interest Rate         5.70% 14.00%   8.50% 12.00%   5.50% 8.50%