Note 11 - Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Financial Services Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Insurance reserves	$ 56,219	$ 55,308	$ 53,395	$ 52,686
Financial Services Segment [Member]
Insurance reserves	47,852	46,844
Accounts payable and other accrued liabilities	11,022	11,699
Total accounts payable and accrued liabilities	$ 58,874	$ 58,543