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Investments in Partnerships and LLCs (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2014
EM 646 [Member]
May 14, 2014
EM 646 [Member]
Jun. 30, 2014
EM 646 [Member]
Minimum [Member]
Jun. 30, 2014
EM 646 [Member]
Maximum [Member]
Mar. 31, 2014
Variable Interest Entity, Primary Beneficiary [Member]
Dec. 31, 2013
Variable Interest Entity, Primary Beneficiary [Member]
Jun. 30, 2014
Variable Interest Entity, Not Primary Beneficiary [Member]
Jun. 30, 2013
Variable Interest Entity, Not Primary Beneficiary [Member]
Dec. 31, 2013
Variable Interest Entity, Not Primary Beneficiary [Member]
Noncontrolling Interest [Line Items]                      
Ownership percentage (percent)         20.00%            
Parent ownership percentage (percent)     58.00%     58.00%          
Distribution Made to Partners, Value of Land Distributed       $ 7,085              
Land and other inventories 338,014 240,078         13,418 33,997      
Contributions to unconsolidated entities                 0 95  
AV Homes                 $ 14,610   $ 1,230