Note 18 - Commitments and Contingencies (Detail) (USD $)	3 Months Ended		111 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Dec. 31, 2012
Non-refundable Cash Deposits	$ 20,400,000		$ 20,400,000
Capitalized Preacquisition and Other Development and Construction Costs	2,000,000		2,000,000
Remaining Purchase Price of Land Purchase and Option Contracts	200,300,000		200,300,000
Remaining Purchase Price of Land Purchase and Option Contracts Included In Inventories Not Owned	28,300,000		28,300,000
Number of Active Joint Ventures	7		7
Number of Inactive Joint Ventures	12		12
	16,410,000		16,410,000
Outstanding Joint Venture Surety Bonds	2,700,000		2,700,000
Joint Venture Surety Bonds Cost to Complete	200,000		200,000
Outstanding Surety Bonds	346,200,000		346,200,000
Surety Bonds Cost to Complete	190,100,000		190,100,000
Mortgage Loans In Process	75,200,000		75,200,000
Mortgage Loans In Process, Interest Rate	3.50%		3.50%
Loans Held-for-sale, Mortgages	119,400,000		119,400,000
Mortgage Loans Committed to Sell to Investors	77,800,000		77,800,000
Mortgage Loan Repurchase Payments	600,000	300,000	10,200,000
Mortgage Loans on Real Estate, New Mortgage Loans			7,400,000,000
MortgageLoanLossExpenseProvision	600,000	300,000
Mortgage Loan Repurchase Reserve	3,000,000		3,000,000
Number of Loans Repurchased	8	1
Insurance and Litigation Accruals	$ 58,100,000		$ 58,100,000	$ 57,200,000