Note 11 - Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Homebuilding Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Warranty accrual	$ 29,349	$ 29,992	$ 28,262	$ 25,666	$ 25,113	$ 21,909
Homebuilding Segment [Member]
Customer and escrow deposits	42,523		34,463
Warranty accrual	29,349		28,262
Accrued compensation and related expenses	25,650		39,459
Accrued interest	27,734		27,734
Construction defect claim reserves	8,569		8,464
Land development and home construction accruals	9,345		8,683
Income taxes payable	459		6,245
Other accrued liabilities	42,871		42,937
Total accrued liabilities	$ 186,500		$ 196,247