Note 10 - Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Homebuilding Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Warranty accrual	$ 20,770	$ 20,678	$ 16,852	$ 15,328
Homebuilding Segment [Member]
Customer and escrow deposits	34,598	27,183
Warranty accrual	20,770	20,678
Accrued compensation and related expenses	16,570	27,830
Accrued interest	11,031	23,234
Land development and home construction accruals	141,707	144,566
Other accrued liabilities	50,914	36,946
Total accrued liabilities	141,707	144,566
Homebuilding Segment [Member] | Land Development and Home Construction Accruals [Member]
Land development and home construction accruals	7,824	8,695
Total accrued liabilities	$ 7,824	$ 8,695