Note 10 - Homebuilding Accrued Liabilities and Financial Services Accounts Payable and Accrued Liabilities - Financial Services Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Insurance reserves	$ 50,707	$ 53,395	$ 52,686	$ 49,647	$ 51,851	$ 50,954
Financial Services Segment [Member]
Insurance reserves	42,623		44,280
Accounts payable and other accrued liabilities	10,662		8,821
Total accounts payable and accrued liabilities	$ 53,285		$ 53,101