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Investments in Unconsolidated Entities (Details Textual) (USD $)
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3 Months Ended | 6 Months Ended | ||||||||||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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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 | $ 13,441,000 | $ 13,441,000 | $ 13,462,000 | |||||||||
| Investments in Unconsolidated Entities (Textual) [Abstract] | ||||||||||||
| Amortization of Equity Method Investment Assets | 4,916 | 0 | 6,772 | 0 | ||||||||
| Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 10,698,000 | 10,698,000 | 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 | 198,000 | 198,000 | 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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