Note 11 - Income Taxes (Details) (USD $)	12 Months Ended									3 Months Ended			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Homebuilding [Member]	Dec. 31, 2012 Homebuilding [Member]	Dec. 31, 2013 Subject to Federal and State Net Operating Loss Carryforward Limitations [Member]	Dec. 31, 2013 Not Limited by Section 382 [Member]	Dec. 31, 2012 Relating to Reversal of Deferred Tax Asset Valuation Allowance [Member]	Dec. 31, 2012 State and Local Net Operating Loss Carryforwards Limited to Shorter Carryforward Periods [Member]	Dec. 31, 2013 Reduction of the Valuation Allowance Related to State Net Operating Loss Carryforwards [Member]	Dec. 31, 2013 Income Tax Benefit Related to State Net Operating Loss Carryforwards [Member]	Dec. 31, 2013 Relating to the Reversal of Deferred Tax Asset Valuation Allowance Attributable to State Net Operating Loss Carryforwards [Member]	Dec. 31, 2013 Relating to Reversal of Deferred Tax Asset Valuation Allowance [Member]	Dec. 31, 2013 Relating to Reversal of Liability for Unrecognized Tax Benefits [Member]	Dec. 31, 2013 Relating to the Reversal of Deferred Tax Asset Valuation Allowance Attributable to State Net Operating Loss Carryforwards [Member]
Note 11 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Gross	$ 379,991,000	$ 478,068,000		$ 380,000,000
Deferred Tax Assets, Valuation Allowance	4,591,000	22,696,000		4,591,000	22,696,000			12,200,000	10,500,000
Deferred Tax Assets, Operating Loss Carryforwards						125,500,000	84,700,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic, Before Tax	475,000,000					310,000,000	165,000,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local, Before Tax	895,000,000					297,000,000	598,000,000
Gross Annual Deduction Limitation on Net Operating Loss Carryforwards	15,600,000
Income Tax Expense (Benefit)	68,983,000	(453,234,000)	(56,000)
Valuation Allowance, Deferred Tax Asset, Change in Amount										(5,900,000)	(1,000,000)	(4,900,000)
Income Tax Expense (Benefit), Before Income Tax Offsets	99,600,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	257,698,000	78,187,000	(16,473,000)
Other Tax Expense (Benefit)	$ (30,600,000)												$ (12,200,000)	$ (16,100,000)	$ (1,000,000)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%