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Investments in Unconsolidated Entities (Details Textual) (USD $)
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3 Months Ended | 9 Months Ended | |||||||||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Dec. 31, 2012
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Maximum pro rata exposure under the guarantee | $ 13,243,000 | $ 13,243,000 | $ 13,462,000 | ||||||||
| Investments in Unconsolidated Entities (Textual) [Abstract] | |||||||||||
| Amortization of Equity Method Investment Assets | 21,227 | 0 | 27,999 | ||||||||
| Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 10,662,000 | 10,662,000 | 12,085,000 | ||||||||
| Equity method investment difference between carrying amount and underlying equity | 600,000 | 600,000 | 800,000 | ||||||||
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Equity Method Land Ventures [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Number of joint ventures | 2 | 2 | |||||||||
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Mortgage And Title Business Joint Ventures [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Investments in mortgage and title joint ventures | 1,800,000 | 1,800,000 | 2,000,000 | ||||||||
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Mortgage Joint Ventures [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Number of joint ventures | 2 | 2 | |||||||||
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Title Business Joint Ventures [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Number of joint ventures | 1 | 1 | |||||||||
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Repayment guarantees [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Maximum pro rata exposure under the guarantee | 0 | 0 | 219,000 | ||||||||
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Completion Guarantees [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Maximum pro rata exposure under the guarantee | 0 | [1] | 0 | [1] | 0 | [1] | |||||
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South Edge Guarantee [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||
| Maximum pro rata exposure under the guarantee | $ 13,243,000 | [2] | $ 13,243,000 | [2] | $ 13,243,000 | [2] | |||||
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