Quarterly report pursuant to Section 13 or 15(d)

Investments in Unconsolidated Entities (Details Textual)

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Investments in Unconsolidated Entities (Details Textual) (USD $)
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Schedule of Equity Method Investments [Line Items]      
Maximum pro rata exposure under the guarantee $ 13,492,000   $ 13,589,000
Investments in Unconsolidated Entities (Textual) [Abstract]      
Amortization of Equity Method Investment Assets 0 0  
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 12,008,000   11,088,000
Equity method investment difference between carrying amount and underlying equity 1,000,000   1,000,000
Equity Method Land Ventures [Member]
      
Schedule of Equity Method Investments [Line Items]      
Number of joint ventures 2    
Mortgage And Title Business Joint Ventures [Member]
      
Schedule of Equity Method Investments [Line Items]      
Number of joint ventures 5    
Investments in mortgage and title joint ventures 2,000,000   1,200,000
Repayment guarantees [Member]
      
Schedule of Equity Method Investments [Line Items]      
Maximum pro rata exposure under the guarantee $ 249,000   $ 346,000