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Note 17 - Disclosures about Fair Value (Detail) - Carrying Values and Estimated Fair Value of Other Financial Instruments (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Financial Services [Member] | Fair Value, Inputs, Level 2 [Member]
   
Mortgage loans held for investment, net $ 9,716 $ 9,923
Mortgage loans held for investment, net 9,716 9,923
Financial Services [Member]
   
Mortgage loans held for investment, net 9,716 9,923
Homebuilding [Member] | Fair Value, Inputs, Level 2 [Member]
   
Senior notes payable, net 1,531,147 1,530,502
Senior notes payable, net 1,859,779 1,803,202
Homebuilding [Member]
   
Senior notes payable, net $ 1,531,147 $ 1,530,502