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Commitments and Contingencies (Details Textual) (USD $)
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1 Months Ended | 12 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2012
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Dec. 31, 2013
lender
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Dec. 31, 2012
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Dec. 31, 2011
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Sep. 30, 2012
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Dec. 31, 2013
South Edge guarantee [Member]
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Dec. 31, 2012
South Edge guarantee [Member]
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Sep. 30, 2012
South Edge guarantee [Member]
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Jun. 06, 2011
South Edge guarantee [Member]
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Oct. 26, 2011
South Edge [Member]
JointVenture
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Dec. 31, 2013
Summary Judgment Including Interest [Member] [Member]
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Dec. 31, 2013
Summary Judgment Interest [Member]
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Dec. 31, 2013
Summary Judgment Excluding Interest [Member] [Member]
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| Loss Contingencies [Line Items] | |||||||||||||||||
| Sublease income | $ 1,600,000 | $ 2,000,000 | $ 2,300,000 | ||||||||||||||
| Rent expense | 6,400,000 | 5,500,000 | 6,100,000 | ||||||||||||||
| Reserved for litigation and asserted claims | 16,463,000 | 16,067,000 | 8,700,000 | ||||||||||||||
| Joint venture ownership percentage | 3.53% | ||||||||||||||||
| Number of co-ventures in joint venture | 4 | ||||||||||||||||
| Maximum pro rata exposure under the guarantee | 13,243,000 | 13,462,000 | 13,243,000 | [1] | 13,243,000 | [1] | |||||||||||
| Supersedeas Bond | 16,050,604 | ||||||||||||||||
| Litigation Judgment Amount | 15,753,344 | 699,487 | 15,053,857 | ||||||||||||||
| Springing Repayment Guarantee_Original Demand Letter | 13,200,000 | ||||||||||||||||
| Warranty reserve | 21,971,000 | 22,064,000 | 23,136,000 | ||||||||||||||
| Number of lenders filing petition for involuntary bankruptcy | 3 | ||||||||||||||||
| Amount requested in demand for arbitration related to alleged breaches | 13,500,000 | ||||||||||||||||
| Additional amount requested in demand for arbitration related to pro rata future infrastructure improvement costs | $ 9,800,000 | ||||||||||||||||
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