Note 10 - Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Financial Services Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Insurance reserves	$ 53,308	$ 50,707	$ 52,686	$ 50,495	$ 49,647	$ 50,954
Financial Services Segment [Member]
Insurance reserves	44,920		44,280
Accounts payable and other accrued liabilities	9,927		8,821
Total accounts payable and accrued liabilities	$ 54,847		$ 53,101