Note 11 - Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Homebuilding Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Warranty accrual	$ 28,262	$ 21,909	$ 20,678	$ 15,328
Homebuilding Segment [Member]
Accrued compensation and related expenses	39,459	32,600
Accrued interest	27,734	27,734
Warranty accrual	28,262	21,909
Construction defect claim reserves	8,464	8,406
Customer and escrow deposits	34,463	36,144
Land development and home construction accruals	8,683	8,001
Other accrued liabilities	49,182	31,518
Total accrued liabilities	$ 196,247	$ 166,312