Note 6 - Homebuilding Indebtedness (Details) (USD $)															1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Homebuilding [Member] Letter of Credit [Member]	Dec. 31, 2013 Homebuilding [Member]	Dec. 31, 2012 Homebuilding [Member]	Dec. 31, 2013 Matures October 2015 [Member] Unsecured Revolving Credit Facility [Member]	Dec. 31, 2013 Matures February 2014 [Member] Unsecured Revolving Credit Facility [Member]	Dec. 31, 2013 Upon Maturity On Feb. 28, 2014 [Member] Unsecured Revolving Credit Facility [Member]	Sep. 30, 2009 10.75% Senior Notes due September 2016 [Member]	Dec. 31, 2010 8.375% Senior Notes due May 2018 [Member]	May 31, 2010 8.375% Senior Notes due May 2018 [Member]	Dec. 31, 2010 8.375% Senior Notes due January 2021 [Member]	Aug. 31, 2013 6.25% Senior Notes due December 15, 2021 [Member]	Jul. 31, 2012 1.25% Convertible Senior Notes Due August 2032 [Member]	Dec. 31, 2013 Committed Letter of Credit [Member]	Dec. 31, 2013 Uncommitted Letter of Credit [Member]	Dec. 31, 2013 Unsecured Revolving Credit Facility [Member]
Note 6 - Homebuilding Indebtedness (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity							$ 440,000,000	$ 30,000,000								$ 26,000,000	$ 16,700,000	$ 470,000,000
Letters of Credit Outstanding, Amount																4,000,000
Cash Collateral Deposits				21,000,000
Debt Instrument, Face Amount										280,000,000	275,000,000	300,000,000	400,000,000	300,000,000	253,000,000
Debt Instrument, Interest Rate, Stated Percentage										10.75%		8.375%	8.375%	6.25%	1.25%
Debt Instrument, Interest Rate, Effective Percentage										12.50%	7.964%		8.50%
Debt Instrument, Convertible, Conversion Ratio															123.7662
Debt Instrument, Convertible, Principal Amount Used In Conversion Rate Calculation															1,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)															$ 8.08
Debt Instrument, Convertible, Redemption Price Percentage															100.00%
Maximum Carve-out In Credit Facility Indebtedness	1,100,000,000
Ownership Percentage of Guarantor Subsidiaries	100.00%
Secured Debt					6,351,000	11,516,000
Debt, Weighted Average Interest Rate	7.40%	7.60%	8.90%
Aggregate Borrowing Commitment									440,000,000
Line of Credit Facility, Current Borrowing Capacity																		470,000,000
Line of Credit Facility, Amount Outstanding																		$ 0